Fenyes, T.; Kosik, P. On transformations of the discrete operator field. (English) Zbl 0435.44006 Stud. Sci. Math. Hung. 11, 163-180 (1976). MSC: 44A40 34A25 PDF BibTeX XML Cite \textit{T. Fenyes} and \textit{P. Kosik}, Stud. Sci. Math. Hung. 11, 163--180 (1976; Zbl 0435.44006) OpenURL
Shchenikov, V. N. On the asymptotic stability of a system of differential equations with respect to first nonlinear approximation. (Russian) Zbl 0421.34054 Control, reliability and navigation. No. 3, Interuniv. Collect. sci. Works, Saransk, 10-12 (1976). MSC: 34D05 93D20 PDF BibTeX XML OpenURL
Kohn, Samuel Investigation of the stability of \({d^2y\over dt^2}+\omega^2y=\varepsilon(\sum^n_{i=1}b_1\cos 2a_it)y\) using Shtokalo’s method. (English) Zbl 0347.34042 SIAM J. appl. Math. 30, 749-767 (1976). MSC: 34E05 34D05 34A25 65L05 PDF BibTeX XML Cite \textit{S. Kohn}, SIAM J. Appl. Math. 30, 749--767 (1976; Zbl 0347.34042) Full Text: DOI OpenURL
Coz, Marcel Les transformees de Fourier dans l’équation de Schrödinger à une dimension. (French) Zbl 0343.34009 C. R. Acad. Sci., Paris, Sér. A 283, 955-957 (1976). MSC: 34A25 35J10 42A16 PDF BibTeX XML Cite \textit{M. Coz}, C. R. Acad. Sci., Paris, Sér. A 283, 955--957 (1976; Zbl 0343.34009) OpenURL
Golokvoscjus, P. B. Behavior of the norm of an integral matrix of a two-dimensional system of differential equations in the neighborhood of a singularity of the system. (English) Zbl 0336.34046 Differ. Equations 11(1975), 728-738 (1976). MSC: 34D05 34C05 34A25 34A30 PDF BibTeX XML Cite \textit{P. B. Golokvoscjus}, Differ. Equations 11, 728--738 (1976; Zbl 0336.34046) OpenURL
Macki, Jack W. Applications of change of variables in the qualitative theory of second order linear ordinary differential equations. (English) Zbl 0332.34039 SIAM Rev. 18, 269-274 (1976). MSC: 34D05 34C10 34D20 34A25 34A30 PDF BibTeX XML Cite \textit{J. W. Macki}, SIAM Rev. 18, 269--274 (1976; Zbl 0332.34039) Full Text: DOI OpenURL
Shestakov, A. A. Investigation, by a generalized Briot-Bouquet method, of the behavior, close to singular initial values, of solutions of a nonautonomous differential system. (English) Zbl 0332.34008 Differ. Equations 11(1975), 353-363 (1976). MSC: 34A25 34M99 34C05 34C20 34D05 PDF BibTeX XML Cite \textit{A. A. Shestakov}, Differ. Equations 11, 353--363 (1976; Zbl 0332.34008) OpenURL