au.\*:("ORAVA PJ")
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ON THE CONCEPTS OF INPUT-OUTPUT MODEL, CAUSALITY, AND STATE IN THE THEORY OF DYNAMICAL SYSTEMS AND CONTROLORAVA PJ.1979; ACTA POLYTECH. SCAND., MATH. COMPUTER SCI.; FIN; DA. 1979; NO 31; PP. 120-127; BIBL. 15 REF.Article
NOTION OF DYNAMICAL INPUT-OUTPUT SYSTEMS: CAUSALITY AND STATE CONCEPTS. = NOTIONS SUR LES SYSTEMES DYNAMIQUES A ENTREE-SORTIE: CONCEPTS DE CAUSALITE ET D'ETATORAVA PJ.1974; INTERNATION. J. SYST. SCI.; G.B.; DA. 1974; VOL. 5; NO 8; PP. 793-806; BIBL. 13 REF.Article
A METHOD FOR SOLVING TWO-POINT BOUNDARY-VALUE PROBLEMS OF DIFFERENCE EQUATIONS.ORAVA PJ; LAUTALA PAJ.1978; J. OPTIMIZ. THEORY APPL.; U.S.A.; DA. 1978; VOL. 24; NO 3; PP. 459-473; BIBL. 12 REF.Article
BACK-AND-FORTH SHOOTING METHOD FOR SOLVING TWO-POINT BOUNDARY-VALUE PROBLEMS.ORAVA PJ; LAUTALA PAJ.1976; J. OPTIMIZ. THEORY APPL.; U.S.A.; DA. 1976; VOL. 18; NO 4; PP. 485-498; BIBL. 10 REF.Article
A DYNAMICAL MODEL FOR THE VERTICAL INFILTRATION OF WATER INTO THE SOIL = MODELE DYNAMIQUE DE L'INFILTRATION VERTICALE DE L'EAU DANS LE SOLPINGOUD K; ORAVA PJ.1980; INT. J. SYST. SCI.; ISSN 0020-7721; GBR; DA. 1980; VOL. 11; NO 12; PP. 1491-1498; BIBL. 10 REF.; ILL.Article
A DIVIDED DIFFERENCE METHOD FOR SOLVING TWO-POINT BOUNDARY VALUE PROBLEMSHIRVONEN VJ; ORAVA PJ.1979; INTERNATION. J. SYST. SCI.; GBR; DA. 1979; VOL. 10; NO 6; PP. 681-691; BIBL. 19 REF.Article
INTERVAL LENGTH CONTINUATION METHOD FOR SOLVING TWO-POINT BOUNDARY-VALUE PROBLEMS.ORAVA PJ; LAUTALA PAJ.1977; J. OPTIMIZ. THEORY APPL.; U.S.A.; DA. 1977; VOL. 23; NO 2; PP. 217-227; BIBL. 10 REF.Article
STATE MODEL AND STABILITY OF A PH CONTROL PROCESS. = MODELE D'ETATS ET ANALYSE DE LA STABILITE D'UN PROCESSUS DE REGULATION DU PHORAVA PJ; NIEMI AJ.1974; INTERNATION. J. CONTROL; G.B.; DA. 1974; VOL. 20; NO 4; PP. 557-567; BIBL. 11 REF.Article
POLYNOMIAL OPERATORS FOR NON-LINEAR MODELLING AND ANALYSIS OF DYNAMICAL SYSTEMSORAVA PJ; HALME A; HAMALAINEN RP et al.1979; ACTA POLYTECH. SCAND., MATH. COMPUTER SCI.; FIN; DA. 1979; NO 31; PP. 128-137; BIBL. 15 REF.Article
COMPUTATIONAL ALGORITHMS FOR THE OPTIMIZATION OF DYNAMICAL SYSTEMSHIRVONEN J; EIROLA T; LAUTALA P et al.1979; ACTA POLYTECH. SCAND., MATH. COMPUTER SCI.; FIN; DA. 1979; NO 31; PP. 71-74; BIBL. 4 REF.Article