ON THE TRANSFORMATION THEORY OF ORDINARY SECOND-ORDER LINEAR SYMMETRIC DIFFERENTIAL EXPRESSIONSEVERITT WN.1982; CZECH. MATH. J.; ISSN 0011-4642; CSK; DA. 1982; VOL. 32; NO 2; PP. 275-306; BIBL. 31 REF.Article

ON CERTAIN REGULAR ORDINARY DIFFERENTIAL EXPRESSIONS AND RELATED DIFFERENTIAL OPERATORSEVERITT WN.1981; NORTH-HOLL. MATH. STUD.; ISSN 0304-0208; NLD; DA. 1981; NO 55; PP. 115-167; BIBL. 22 REF.Conference Paper

LEGENDRE POLYNOMIALS AND SINGULAR DIFFERENTIAL OPERATORSEVERITT WN.1980; LECT. NOTES MATH.; ISSN 0075-8434; DEU; DA. 1980; NO 827; PP. 83-106; BIBL. 10 REF.Conference Paper

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

ON THE INTEGRATION OF CERTAIN SECOND-ORDER LINEAR DIFFERENTIAL EQUATIONSEVERITT WN; ANNAPURNA SIRCAR.1972; QUART. J. MATH.; G.B.; DA. 1972; VOL. 23; NO 92; PP. 391-400; BIBL. 15 REF.Serial Issue

ORDINARY AND PARTIAL DIFFERENTIAL EQUATIONSEVERITT WN ED.1980; LECT. NOTES MATH.; ISSN 0075-8434; DEU; DA. 1980; NO 827; VII-271 P.; BIBL. DISSEM.Conference Paper

ON INTEGRAL INEQUALITIES ASSOCIATED WITH ORDINARY REGULAR DIFFERENTIAL EXPRESSIONSAMOS RJ; EVERITT WN.1978; N.-HOLLAND MATH. STUD.; NLD; DA. 1978; NO 31; PP. 237-255; BIBL. 15 REF.Conference Paper

INEQUALITIES AND SEPARATION FOR SCHROEDINGER TYPE OPERATORS IN L₂(R⁴).EVERITT WN; GIERTZ M.1978; PROC. R. SOC. EDINBURGH, A; G.B.; DA. 1978; VOL. 79; NO 3-4; PP. 257-265; BIBL. 16 REF.Article

BOUNDS FOR THE POINT SPECTRUM FOR A STURM-LIOUVILLE EQUATIONATKINSON FV; EVERITT WN.1978; PROC. R. SOC. EDINBURGH. A; GBR; DA. 1978; VOL. 80; NO 1-2; PP. 57-66; BIBL. 6 REF.Article

ON CERTAIN ORDINARY DIFFERENTIAL EXPRESSIONS AND ASSOCIATED INTEGRAL INEQUALITIES.EVERITT WN; GIERTZ M.1976; N.-HOLLAND MATH. STUD.; NETHERL.; DA. 1976; VOL. 21; PP. 161-174; BIBL. 9 REF.; (NEW DEV. DIFFER. EQUATIONS. SCHEVENINGEN CONF. 2. PROC.; SCHEVENINGEN; 1975)Conference Paper

ON THE DISTRIBUTION OF THE EIGENVALUES AND THE ORDER OF THE EIGENFUNCTIONS OF A FOURTH-ORDER SINGULAR BOUNDARY VALUE PROBLEMCHAUDHRI J; EVERITT WN.1971; PROC. R. SOC. EDINBURGH, A; G.B.; DA. 1971; VOL. 71; NO 1; PP. 61-75; BIBL. 12 REF.Serial Issue

ON THE ASYMPTOTIC EXPANSION OF SOLUTIONS OF CERTAIN SECOND ORDER, LINEAR DIFFERENTIAL EQUATIONSEVERITT WN; ANNAPURNA SIRCAR.1981; J. DIFFER. EQU.; ISSN 0022-0396; USA; DA. 1981; VOL. 39; NO 1; PP. 100-119; BIBL. 16 REF.Article

A DIRICHLET TYPE RESULT FOR ORDINARY DIFFERENTIAL OPERATORSEVERITT WN; GIERTZ M.1973; MATH. ANN.; DTSCH.; DA. 1973; VOL. 203; NO 2; PP. 119-128; BIBL. 10 REF.Serial Issue

SOME REMARKS ON A SEPARATION AND LIMIT-POINT CRITERION OF SECOND-ORDER, ORDINARY DIFFERENTIAL EXPRESSIONSEVERITT WN; GIERTZ M; WEIDMANN J et al.1973; MATH. ANN.; DTSCH.; DA. 1973; VOL. 200; NO 4; PP. 335-346; BIBL. 10 REF.Serial Issue

ORDINARY AND PARTIAL DIFFERENTIAL EQUATIONS. PROCEEDINGS OF THE SEVENTH CONFERENCE HELD AT DUNDEE, SCOTLAND, MARCH 29-APRIL 2, 1982EVERITT WN ED; SLEEMAN BD ED.1982; LECT. NOTES MATH.; ISSN 0075-8434; DEU; DA. 1982; NO 964; 746 P.; BIBL. DISSEM.Conference Paper