FORMES ET OPERATEURS DIFFERENTIELS SUR LES ESPACES ANALYTIQUES COMPLEXES.KANTOR JM.1975; AO-CNRS-13384; FR.; DA. 1975; PP. 1-97; BIBL. 3 P. 1/2; (THESE DOCT. SPEC. MATH.; PARIS VII)Thesis

COVARIANT DIFFERENTIAL OPERATORSHARRIS M; JAKOBSEN HP.1983; LECTURE NOTES IN PHYSICS; ISSN 0075-8450; DEU; DA. 1983; VOL. 180; PP. 16-34; BIBL. 10 REF.Conference Paper

THE KERNEL AND COKERNEL OF A DIFFERENTIAL OPERATOR IN SEVERAL VARIABLESVAN DEN ESSEN A.1983; PROCEEDINGS OF THE KONINKLIJKE NEDERLANDSE AKADEMIE VAN WETENSCHAPPEN. SERIES A: MATHEMATICAL SCIENCES; ISSN 0023-3358; NLD; DA. 1983; VOL. 86; NO 1; PP. 67-76; BIBL. 5 REF.Article

STRICTLY HYPOELLIPTIC SECOND ORDER DIFFERENTIAL OPERATORSYAMAMOTO K.1982; PROC. AM. MATH. SOC.; ISSN 0002-9939; USA; DA. 1982; VOL. 85; NO 2; PP. 187-191; BIBL. 4 REF.Article

THEORIE DE LA DEUXIEME MICROLOCALISATION DANS LE DOMAINE COMPLEXE: OPERATEURS 2-MICRODIFFERENTIELS = THEORY OF THE SECOND MICROLOCAL IZATIOU IN THE COMPLEX DOMAIN: 2-MICRODIFFERENTIAL OPERATORSLAURENT YVES.1982; ; FRA; DA. 1982; 11-290 P.; 30 CM; BIBL. 30 REF.; TH.: SCI. MATH./PARIS 11/1982/2595Thesis

AN EXTREMAL PROBLEM CONCERNING DIFFERENTIAL OPERATORS AND APPLICATIONS TO OPTIMAL RECONSTRUCTIONCHUI CK; FRANCHETTI C.1982; NONLINEAR ANAL.; ISSN 0362-546X; USA; DA. 1982; VOL. 6; NO 9; PP. 971-981; BIBL. 12 REF.Article

INFELD-HULL FACTORIZATION, GALAIS-PICARD-VESSIOT THEORY FOR DIFFERENTIAL OPERATORSHERMANN R.1981; J. MATHS. PHYS. (N.Y.); ISSN 0022-2488; USA; DA. 1981; VOL. 22; NO 6; PP. 1163-1167; BIBL. 17 REF.Article

FACTORIZATION AND DISCRETE SPECTRA FOR SECOND-ORDER DIFFERENTIAL EXPRESSIONSREAD TT.1980; J. DIFFER. EQUATIONS; USA; DA. 1980; VOL. 35; NO 3; PP. 388-406; BIBL. 9 REF.Article

CANONICAL FACTORIZATIONS OF DISCONJUGATE DIFFERENTIAL OPERATORSGRANATA A.1980; S.I.A.M. J. MATH. ANAL.; USA; DA. 1980; VOL. 11; NO 1; PP. 160-172; BIBL. 39 REF.Article

PROPAGATION DES SINGULARITES POUR LES OPERATEURS DIFFERENTIELS DE TYPE PRINCIPAL, LOCALEMENT RESOLUBLES, A COEFFICIENTS ANALYTIQUES, EN DIMENSION 2GODIN P.1979; ANN. INST. FOURIER; FRA; DA. 1979; VOL. 29; NO 2; PP. 223-245; BIBL. 13 REF.Article

AN INTEGRAL INEGALITY WITH AN APPLICATION TO ORDINARY DIFFERENTIAL OPERATORSEVERITT WN.1978; PROC. R. SOC. EDINBURGH, A; GBR; DA. 1978; VOL. 80; NO 1-2; PP. 35-44; BIBL. 12 REF.Article

APPLICATION OF AN OPERATIONAL CALCULUS TO CERTAIN TIME-VARYING SYSTEMS.KOH EL.1978; INTERNATION. J. SYST. SCI.; GBR; DA. 1978; VOL. 9; NO 5; PP. 595-601; BIBL. 14 REF.Article

HYPOELLIPTIC INFINITESIMAL GENERATORS.BAIDER A; CHERKAS B.1977; S.I.A.M. J. MATH. ANAL.; U.S.A.; DA. 1977; VOL. 8; NO 6; PP. 971-977; BIBL. 8 REF.Article

MICROLOCAL ANALYSIS OF PARTIAL DIFFERENTIAL OPERATORS WITH IRREGULAR SINGULARITIESUCHIKOSHI K.1981; PROC. JPN. ACAD., SER. A; ISSN 0386-2194; JPN; DA. 1981; VOL. 57; NO 10; PP. 485-487; BIBL. 8 REF.Article

PERTURBATIONS OF OPERATORS, WITH APPLICATION TO ORDINARY DIFFERENTIAL OPERATORSLEE SJ.1979; INDIANA UNIV. MATH. J.; USA; DA. 1979; VOL. 28; NO 2; PP. 291-309; BIBL. 9 REF.Article

CONTINUITE GLOBALE DES NOYAUX DE POISSONKABBAJ NOUREDDINE.1979; ; FRA; DA. 1979; 284; PAG. MULT.; 30 CM; BIBL. 11 REF.; TH. 3E CYCLE: MATH./NICE/1979Thesis

LINEAR DIFFERENTIAL INEQUALITIES.MULDOWNEY JS.1978; S.I.A.M.J. MATH. ANAL.; U.S.A.; DA. 1978; VOL. 9; NO 1; PP. 106-120; BIBL. 10 REF.Article

CONDITIONS SUFFISANTES DE SOUS-ELLIPTICITE POUR D ROND = SUFFICIENT CONDITIONS OF SUB-ELLIPTICITY FOR D RONDTALHAOUI ABDALLAH.1982; ; FRA; DA. 1982; 71 P.; 30 CM; BIBL. 24 REF.; TH. 3E CYCLE: SCI./LILLE 1/1982/998Thesis

UNICITE ET NON-UNICITE DU PROBLEME DE CAUCHY POUR UNE CLASSE D'OPERATEURS QUASI-HOMOGENES = UNIQUENESS AND NON-UNIQUENESS OF THE CAUCHY PROBLEM FOR A CLASS OF QUASI-HOMOGENEOUS OPERATORSDEHMAN BELHASSEN.1982; ; FRA; DA. 1982; 62 F.; 30 CM; BIBL. 19 REF.; TH. 3E CYCLE: MATH. PURES/PARIS 11/1982/3225Thesis

INVARIANT DIFFERENTIAL OPERATORS ON NON-REDUCTIVE HOMOGENEOUS SPACESKOORNWINDER TH.1981; AFD. ZUIVERE WISKD., STICHT. MATH. CENT.; ISSN 0373-9716; NLD; DA. 1981; NO 153; 15 P.; BIBL. 8 REF.Serial Issue

SHAPE-INVARIANT BOUNDS FOR ORDINARY DIFFERENTIAL OPERATORS AND GENERALIZATIONSSCHROEDER J.1981; NONLINEAR ANAL.; ISSN 0362-546X; USA; DA. 1981; VOL. 5; NO 7; PP. 803-819; BIBL. 27 REF.Article

LIOUVILLE TYPE THEOREM FOR A SYSTEM (P(D), BJ(D), J=1, ..., P) OF DIFFERENTIAL OPERATORS WITH CONSTANT COEFFICIENTS IN A HALF SPACESHIBATA Y.1980; PUBL. RES. INST. MATH. SCI.; JPN; DA. 1980; VOL. 16; NO 1; PP. 61-104; BIBL. 17 REF.Article

RING ISOMORPHISMS FOR THE FAMILY OF EULERIAN DIFFERENTIAL OPERATORSALLAWAY WR; YUEN KW.1980; J. MATH. ANAL. & APPL.; ISSN 0022-247X; USA; DA. 1980; VOL. 77; NO 1; PP. 245-263; BIBL. 9 REF.Article

WEAK AND STRONG EXTENSIONS OF FIRST-ORDER DIFFERENTIAL OPERATORS IN R^MFATTORINI HO.1979; J. DIFFER. EQUATIONS; USA; DA. 1979; VOL. 34; NO 3; PP. 353-360; BIBL. 9 REF.Article

DIFFERENTIAL OPERATORS AND THE THEORY OF BINOMIAL ENUMERATION.MARKOWSKY G.1978; J. MATH. ANAL. APPL.; U.S.A.; DA. 1978; VOL. 63; NO 1; PP. 145-155; BIBL. 6 REF.Article