Scheurle, Jürgen Verzweigung quasiperiodischer Lösungen bei reversiblen dynamischen Systemen. (German) Zbl 0523.58029 Mathematisches Institut an der Universität Stuttgart. 96 S. (1980). MSC: 37G99 37C55 34C27 37J40 34C30 PDFBibTeX XML
Sinai, Ja. G.; Vul, E. B. Discovery of closed orbits of dynamical systems with the use of computers. (English) Zbl 0509.34024 J. Stat. Phys. 23, 27-47 (1980). MSC: 34C05 37-XX 34C30 PDFBibTeX XMLCite \textit{Ja. G. Sinai} and \textit{E. B. Vul}, J. Stat. Phys. 23, 27--47 (1980; Zbl 0509.34024) Full Text: DOI
Lejbo, A. M. Topological structure of a type of fine fixed point of plane-into-plane mapping. (English) Zbl 0507.34027 Sov. Math. 24, No. 12, 23-34 (1980). MSC: 34C05 34C30 39A12 PDFBibTeX XMLCite \textit{A. M. Lejbo}, Sov. Math. 24, No. 12, 23--34 (1980; Zbl 0507.34027)
Holmes, Philip Unfolding a degenerate nonlinear oscillator: A codimension two bifurcation. (English) Zbl 0506.34034 Nonlinear dynamics, int. Conf., New York 1979, Ann. N.Y. Acad. Sci. 357, 473-488 (1980). MSC: 34C15 37-XX 34C30 PDFBibTeX XML
Filinykh, V. V. Bifurcations of integral sufaces depending on the behaviour of Vorob’ev’s branches. (Russian) Zbl 0505.34036 Questions of qualitative theory of differential equations, Collect. sci. Works, Samarkand 1980, 94-101 (1980). MSC: 37-XX 34C30 34C45 PDFBibTeX XML
Reinfelds, Andrejs Dynamic equivalence of differential equations in the neighborhood of an invariant manifold. (Russian) Zbl 0473.34020 Latv. Mat. Ezheg. 24, 156-171 (1980). MSC: 34C30 34C11 PDFBibTeX XMLCite \textit{A. Reinfelds}, Latv. Mat. Ezheg. 24, 156--171 (1980; Zbl 0473.34020)
Lejbo, A. M. On the topological structure of a certain type of non-rough fixed point of a mapping of a plane into a plane. (Russian) Zbl 0468.34016 Izv. Vyssh. Uchebn. Zaved., Mat. 1980, No. 12(223), 20-29 (1980). MSC: 34C05 34C30 39A12 PDFBibTeX XMLCite \textit{A. M. Lejbo}, Izv. Vyssh. Uchebn. Zaved., Mat. 1980, No. 12(223), 20--29 (1980; Zbl 0468.34016)
He, Chong-you Stability and boundedness with respect to an integral manifold. (Chinese) Zbl 0467.34038 J. Nanjing Univ., Nat. Sci. 1980, Special Issue, 29-38 (1980). MSC: 34C30 34C11 34D20 37C75 PDFBibTeX XML
Balla, K. Solution of singular boundary value problems for non-linear systems of ordinary differential equations. (English) Zbl 0465.34013 U.S.S.R. Comput. Math. Math. Phys. 20, No. 4, 100-115 (1980). MSC: 34B15 34A34 34C30 PDFBibTeX XMLCite \textit{K. Balla}, U.S.S.R. Comput. Math. Math. Phys. 20, No. 4, 100--115 (1980; Zbl 0465.34013) Full Text: DOI
Lee, Ding; Papadakis, John S. Numerical solutions of the parabolic wave equation: An ordinary- differential-equation approach. (English) Zbl 0457.76063 J. Acoust. Soc. Am. 68, 1482-1488 (1980). MSC: 76Q05 PDFBibTeX XMLCite \textit{D. Lee} and \textit{J. S. Papadakis}, J. Acoust. Soc. Am. 68, 1482--1488 (1980; Zbl 0457.76063) Full Text: DOI
Tang, Min Ming Travelling wave fronts for a Lotka-Volterra equation with diffusion. (English) Zbl 0455.92009 Differential and integral equations, Proc. 7th Midwest Conf., Rolla/Mo. 1978, 112-117 (1980). MSC: 92D25 34A34 34C30 35Q99 PDFBibTeX XML
Balla, Katalin On the replacement of the condition of boundedness for certain systems of linear ODEs with regular singularity. (English) Zbl 0455.34028 Numerical methods, Keszthely 1977, Colloq. Math. Soc. Janos Bolyai 22, 121-131 (1980). MSC: 34C30 65L10 PDFBibTeX XML
Samoĭlenko, A. M. Green’s function of a linear extension of a dynamical system on a torus, conditions for its uniqueness, and properties that follow from these conditions. (Die Greensche Funktion der linearen Erweiterung eines dynamischen Systems auf einem Torus, Bedingungen ihrer Eindeutigkeit und Eigenschaften, die aus diesen Bedingungen resultieren.) (Russian) Zbl 0454.34036 Ukr. Mat. Zh. 32, 791-797 (1980). Reviewer: L. Reizins MSC: 34C30 34C05 37J15 PDFBibTeX XMLCite \textit{A. M. Samoĭlenko}, Ukr. Mat. Zh. 32, 791--797 (1980; Zbl 0454.34036)
Balla, K. Zur Lösung singulärer Randwertprobleme für nichtlineare Systeme gewöhnlicher Differentialgleichungen. (Russian) Zbl 0449.34011 Zh. Vychisl. Mat. Mat. Fiz. 20, 909-922 (1980). MSC: 34B15 34A34 34C30 PDFBibTeX XMLCite \textit{K. Balla}, Zh. Vychisl. Mat. Mat. Fiz. 20, 909--922 (1980; Zbl 0449.34011)
Schneider, Klaus R. On the existence of perturbed center submanifolds of a class of autonomous differential systems. (English) Zbl 0447.58026 Prepr., Akad. Wiss. DDR, Zentralinst. Math. Mech. P-26/80, 31 p. (1980). MSC: 37G99 34C45 34C30 PDFBibTeX XML
Likova, O. B. On the exponential dichotomy of an invariant manifold. (Ukrainian) Zbl 0446.34047 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1980, No. 7, 23-26 (1980). MSC: 34C30 37C75 PDFBibTeX XMLCite \textit{O. B. Likova}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1980, No. 7, 23--26 (1980; Zbl 0446.34047)
Le Suan Kan Asymptotische Entwicklungen quasiperiodischer Lösungen für ein nichtlineares nichtautonomes System mit Retardierung. (Russian) Zbl 0444.34066 Ukr. Mat. Zh. 32, 548-553 (1980). MSC: 34K25 34E05 34C30 34C25 PDFBibTeX XMLCite \textit{Le Suan Kan}, Ukr. Mat. Zh. 32, 548--553 (1980; Zbl 0444.34066) Full Text: DOI
Kirchgraber, Urs A note on Liapunov’s center theorem. (English) Zbl 0444.34039 J. Math. Anal. Appl. 73, 568-570 (1980). MSC: 34C25 34C30 PDFBibTeX XMLCite \textit{U. Kirchgraber}, J. Math. Anal. Appl. 73, 568--570 (1980; Zbl 0444.34039) Full Text: DOI
Valeev, K. G.; Finin, G. S. Aufstellung der Integralmannigfaltigkeit, die den Lösungen eines Systems von Differentialgleichungen entspricht und Synthese eines optimalen Reglers. (Ukrainian) Zbl 0444.34017 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1980, No. 3, 6-10 (1980). MSC: 34A45 34C45 34C30 49J15 34H05 37-XX PDFBibTeX XMLCite \textit{K. G. Valeev} and \textit{G. S. Finin}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1980, No. 3, 6--10 (1980; Zbl 0444.34017)
Kirchgraber, Urs Towards a rigorous justification of the Stiefel-Baumgarten stabilization method. (English) Zbl 0442.34013 Celestial Mech. 21, 225-236 (1980). MSC: 65J99 70F99 34C30 PDFBibTeX XMLCite \textit{U. Kirchgraber}, Celest. Mech. 21, 225--236 (1980; Zbl 0442.34013) Full Text: DOI
Vosmanskij, J. Distribution of zeros of solutions of linear second-order differential equations. (English) Zbl 0437.34026 Differ. Equations 15, 1511-1519 (1980). MSC: 34C10 34C11 34C30 34C20 PDFBibTeX XMLCite \textit{J. Vosmanskij}, Differ. Equations 15, 1511--1519 (1980; Zbl 0437.34026)
Yoshida, Junzo Topology of the negative energy-manifold of the Kepler motion. (English) Zbl 0436.70012 Acta Humanistica Sci. Ser. 9, 29-57 (1980). MSC: 70F05 70F15 34C30 PDFBibTeX XML
Chernyshev, V. E. The existence of closed trajectories in the neighborhood of an invariant torus. (English) Zbl 0436.34036 Differ. Equations 15, 1156-1164 (1980). MSC: 34C28 34C30 PDFBibTeX XMLCite \textit{V. E. Chernyshev}, Differ. Equations 15, 1156--1164 (1980; Zbl 0436.34036)
Bruno, A. D. Formal and analytical integral sets. (English) Zbl 0435.34004 Proc. int. Congr. Math., Helsinki 1978, Vol. 2, 807-810 (1980). MSC: 34A05 34C25 34C20 34C30 PDFBibTeX XML
Samojlenko, A. M.; Kulik, V. L. Exponential dichotomy of invariant tori of dynamic systems. (English) Zbl 0434.34052 Differ. Equations 15, 1019-1025 (1980). MSC: 34K99 34C30 34C40 34C45 37-XX PDFBibTeX XMLCite \textit{A. M. Samojlenko} and \textit{V. L. Kulik}, Differ. Equations 15, 1019--1025 (1980; Zbl 0434.34052)
Martynyuk, D. I.; Tsyganovskij, N. S. Invariant manifolds of systems with time lag subjected to impulses. (English) Zbl 0433.34054 Differ. Equations 15, 1269-1278 (1980). MSC: 34K99 34C30 PDFBibTeX XMLCite \textit{D. I. Martynyuk} and \textit{N. S. Tsyganovskij}, Differ. Equations 15, 1269--1278 (1980; Zbl 0433.34054)
Tineo, Antonio Oscillatory properties of linear quasidifferential equations (A) of third order and (B) selfadjoints of fourth order. (Spanish) Zbl 0433.34025 Notas Mat. 36, 41 p. (1980). MSC: 34C10 34C30 PDFBibTeX XML