Umbetzhanov, D. U. Almost multiperiodic solutions of partial differential equations. (Pochti mnogoperiodicheskie resheniya differentsial’nykh uravnenij v chastnykh proizvodnykh). (Russian) Zbl 0609.35005 Alma-Ata: “Nauka” Kazakh. SSR. 210 p. R. 1.20 (1979). MSC: 35B10 35-02 35F20 35B20 35L70 35L60 PDFBibTeX XML
Portnov, V. R. Existence theorems in the deformation theory of flexible solids. (Russian) Zbl 0472.73017 Tr. Semin. S. L. Soboleva 2, 92-124 (1979). MSC: 74B99 49J20 74B20 35F99 35G99 PDFBibTeX XML
Badam, U. Optimization with respect to parameters in systems of partial differential equations. (Russian) Zbl 0472.49022 Optimization methods and their applications, 9, Work Collect., Irkutsk 1979, 14-25 (1979). MSC: 49K20 35F20 PDFBibTeX XML
Kamont, Z. On the Cauchy problem for system of first order partial differential- functional equations. (English) Zbl 0446.35029 Serdica 5, 327-339 (1979). MSC: 35F25 35B30 PDFBibTeX XMLCite \textit{Z. Kamont}, Serdica 5, 327--339 (1979; Zbl 0446.35029)
Begehr, Heinrich Boundary value problems for composite type systems of first order partial differential equations. (English) Zbl 0438.35051 Romanian-Finnish seminar on complex analysis, Proc., Bucharest 1976, Lect. Notes Math. 743, 600-614 (1979). MSC: 35M99 35F30 45G10 47H10 PDFBibTeX XML
Chudnovsky, David V. Equations d’évolution opératorielles completement intégrables. (French) Zbl 0429.35047 C. R. Acad. Sci., Paris, Sér. A 289, 429-432 (1979). MSC: 35L60 47A50 35Q99 PDFBibTeX XMLCite \textit{D. V. Chudnovsky}, C. R. Acad. Sci., Paris, Sér. A 289, 429--432 (1979; Zbl 0429.35047)
Berger, M. S.; Church, P. T. On the complete integrability of nonlinear partial differential equations. (English) Zbl 0422.35020 Bull. Am. Math. Soc., New Ser. 1, 698-701 (1979). MSC: 35G99 47L07 35Q99 PDFBibTeX XMLCite \textit{M. S. Berger} and \textit{P. T. Church}, Bull. Am. Math. Soc., New Ser. 1, 698--701 (1979; Zbl 0422.35020) Full Text: DOI
Cinquini, Silvio Sopra i sistemi iperbolici di equazioni a derivate parziali (non lineari) in piu variabili indipendenti. (Italian) Zbl 0412.35059 Ann. Mat. Pura Appl., IV. Ser. 120, 201-214 (1979). MSC: 35L60 35A30 35L99 PDFBibTeX XMLCite \textit{S. Cinquini}, Ann. Mat. Pura Appl. (4) 120, 201--214 (1979; Zbl 0412.35059) Full Text: DOI
Mitropol’skij, Yu. A.; Khoma, G. P. Über Mittelungsmethoden für hyperbolische Systeme mit schnellen und langsamen Veränderlichen. Ein gemischtes Problem. (Russian) Zbl 0411.35065 Ukr. Mat. Zh. 31, 398-406 (1979). MSC: 35L60 35A25 35M99 PDFBibTeX XMLCite \textit{Yu. A. Mitropol'skij} and \textit{G. P. Khoma}, Ukr. Mat. Zh. 31, 398--406 (1979; Zbl 0411.35065)
Hayashida, Kazunari Sur l’unicité du prolongement des systèmes elliptiques dont la valeur initiale s’annule sur un sous-ensemble de mesure positive. (French) Zbl 0409.35012 Ann. Fac. Sci. Toulouse, V. Ser., Math. 1, 33-44 (1979). MSC: 35B60 35F25 35D10 35J99 35F99 PDFBibTeX XMLCite \textit{K. Hayashida}, Ann. Fac. Sci. Toulouse, Math. (5) 1, 33--44 (1979; Zbl 0409.35012) Full Text: DOI Numdam EuDML
Luskin, Mitchell An approximation procedure for nonsymmetric, nonlinear hyperbolic systems with integral boundary conditions. (English) Zbl 0399.65086 SIAM J. Numer. Anal. 16, 145-164 (1979). MSC: 65N35 35L50 35L60 46M05 65N15 PDFBibTeX XMLCite \textit{M. Luskin}, SIAM J. Numer. Anal. 16, 145--164 (1979; Zbl 0399.65086) Full Text: DOI
Ogawa, Hajimu Energy decay for solutions of ultrahyperbolic inequalities. (English) Zbl 0387.35009 J. Differ. Equations 34, 74-83 (1979). MSC: 35B40 35L60 35R45 PDFBibTeX XMLCite \textit{H. Ogawa}, J. Differ. Equations 34, 74--83 (1979; Zbl 0387.35009) Full Text: DOI