Gupalo, A. S.; Lopushanskaya, G. P. On a representation of the solution of a generalized elliptic boundary value problem. (Russian) Zbl 0667.35017 Differ. Uravn. 23, No. 3, 518-521 (1987). Reviewer: G.Jaiani MSC: 35J40 35D05 35A05 PDFBibTeX XMLCite \textit{A. S. Gupalo} and \textit{G. P. Lopushanskaya}, Differ. Uravn. 23, No. 3, 518--521 (1987; Zbl 0667.35017)
Gasymov, Eh. A. On solvability of mixed problems for second order parabolic equations in domains with curvilinear boundaries. (Russian) Zbl 0662.35052 Differ. Uravn. 23, No. 3, 514-516 (1987). Reviewer: J.Danesova MSC: 35K20 35C15 35B35 35A05 35B65 PDFBibTeX XMLCite \textit{Eh. A. Gasymov}, Differ. Uravn. 23, No. 3, 514--516 (1987; Zbl 0662.35052)
Kapanadze, D. V. On nonlocal Bitsadze-Samarskij boundary value problem. (Russian) Zbl 0657.35046 Differ. Uravn. 23, No. 3, 543-545 (1987). Reviewer: E.Paliokas MSC: 35J25 35A05 35B65 PDFBibTeX XMLCite \textit{D. V. Kapanadze}, Differ. Uravn. 23, No. 3, 543--545 (1987; Zbl 0657.35046)
Kostin, A. V. Asymptotics of proper solutions of nonlinear ordinary differential equations. (Russian) Zbl 0654.34048 Differ. Uravn. 23, No. 3, 524-526 (1987). Reviewer: D.Bainov MSC: 34E05 34A34 PDFBibTeX XMLCite \textit{A. V. Kostin}, Differ. Uravn. 23, No. 3, 524--526 (1987; Zbl 0654.34048)
Ivanov, O. A.; Kudryashova, G. R. On smoothness of an invariant surface of a quasihomogeneous system in the neighborhood of a simple exceptional direction. (Russian) Zbl 0654.34034 Differ. Uravn. 23, No. 3, 540-543 (1987). Reviewer: D.Bainov MSC: 34C30 PDFBibTeX XMLCite \textit{O. A. Ivanov} and \textit{G. R. Kudryashova}, Differ. Uravn. 23, No. 3, 540--543 (1987; Zbl 0654.34034)
Serov, V. S. On the fundamental solution of a differential operator with a singularity. (Russian) Zbl 0647.35022 Differ. Uravn. 23, No. 3, 531-534 (1987). Reviewer: T.Genchev MSC: 35J35 35A08 35A07 35A20 PDFBibTeX XMLCite \textit{V. S. Serov}, Differ. Uravn. 23, No. 3, 531--534 (1987; Zbl 0647.35022)
Filippov, A. F. Structural instability of three-dimensional systems in an open domain of the parameter space. (Russian) Zbl 0637.34043 Differ. Uravn. 23, No. 3, 538-539 (1987). Reviewer: V.Tsalyuk MSC: 34D30 34A60 PDFBibTeX XMLCite \textit{A. F. Filippov}, Differ. Uravn. 23, No. 3, 538--539 (1987; Zbl 0637.34043)
Petrovskij, G. N. On the detection of instability of quasi flows by means of generalized characteristic Lyapunov numbers. (Russian) Zbl 0634.90018 Differ. Uravn. 23, No. 3, 527-528 (1987). Reviewer: K.S.Sibirskij MSC: 90B10 PDFBibTeX XMLCite \textit{G. N. Petrovskij}, Differ. Uravn. 23, No. 3, 527--528 (1987; Zbl 0634.90018)
Batalova, Z. S.; Bukhalova, N. V. On stationary and periodic solutions of a nonlinear nonautonomous differential equation. (Russian) Zbl 0632.34040 Differ. Uravn. 23, No. 3, 401-409 (1987). Reviewer: V.Răsvan MSC: 34C25 34A34 PDFBibTeX XMLCite \textit{Z. S. Batalova} and \textit{N. V. Bukhalova}, Differ. Uravn. 23, No. 3, 401--409 (1987; Zbl 0632.34040)
Suris, Yu. B. Symbolic dynamics for a nonlinear nonautonomous oscillator. (Russian) Zbl 0632.34030 Differ. Uravn. 23, No. 3, 535-538 (1987). Reviewer: G.Osipenko MSC: 34C10 37B10 34C28 PDFBibTeX XMLCite \textit{Yu. B. Suris}, Differ. Uravn. 23, No. 3, 535--538 (1987; Zbl 0632.34030)
Askhabov, S. N.; Mukhtarov, Kh. Sh. On a class of nonlinear integral equations of convolution type. (Russian) Zbl 0627.45005 Differ. Uravn. 23, No. 3, 512-514 (1987). Reviewer: J.Banaś MSC: 45G10 45L05 PDFBibTeX XMLCite \textit{S. N. Askhabov} and \textit{Kh. Sh. Mukhtarov}, Differ. Uravn. 23, No. 3, 512--514 (1987; Zbl 0627.45005)
Alidema, R. I. Frequency conditions of the entry into the sliding regime of nonlinear systems with discontinuous characteristics. (Russian) Zbl 0627.34079 Differ. Uravn. 23, No. 3, 510-511 (1987). Reviewer: V.Tsalyuk MSC: 34K20 34D99 34A60 PDFBibTeX XMLCite \textit{R. I. Alidema}, Differ. Uravn. 23, No. 3, 510--511 (1987; Zbl 0627.34079)
Kuznetsov, P. I.; Yudina, A. S. Asymptotic expansions of the solutions of a degenerate hypergeometric equation. (Russian) Zbl 0627.34010 Differ. Uravn. 23, No. 3, 428-434 (1987). Reviewer: G.Bojadziev MSC: 34M99 34E05 33B15 PDFBibTeX XMLCite \textit{P. I. Kuznetsov} and \textit{A. S. Yudina}, Differ. Uravn. 23, No. 3, 428--434 (1987; Zbl 0627.34010)
Egorov, I. G.; Kartuzova, S. A. On the asymptotic behavior of the solutions of a nonlinear system of differential equations. (Russian) Zbl 0626.34061 Differ. Uravn. 23, No. 3, 521-524 (1987). Reviewer: G.Bojadziev MSC: 34D20 34A34 34E05 PDFBibTeX XMLCite \textit{I. G. Egorov} and \textit{S. A. Kartuzova}, Differ. Uravn. 23, No. 3, 521--524 (1987; Zbl 0626.34061)
Cheban, D. N. Nonautonomous dissipative dynamical systems. Method of Lyapunov functions. (Russian) Zbl 0623.34048 Differ. Uravn. 23, No. 3, 464-474 (1987). Reviewer: I.Foltyńska MSC: 37L15 34D20 PDFBibTeX XMLCite \textit{D. N. Cheban}, Differ. Uravn. 23, No. 3, 464--474 (1987; Zbl 0623.34048)
Basov, V. V. On the divergence of transformations in the averaging method. (Russian) Zbl 0623.34046 Differ. Uravn. 23, No. 3, 394-401 (1987). Reviewer: I.Foltyńska MSC: 34C29 PDFBibTeX XMLCite \textit{V. V. Basov}, Differ. Uravn. 23, No. 3, 394--401 (1987; Zbl 0623.34046)
Aranson, S. Kh. On typical bifurcations of diffeomorphisms of the circle. (Russian) Zbl 0622.58032 Differ. Uravn. 23, No. 3, 388-394 (1987). Reviewer: J.Kolomý MSC: 37G99 PDFBibTeX XMLCite \textit{S. Kh. Aranson}, Differ. Uravn. 23, No. 3, 388--394 (1987; Zbl 0622.58032)
Glizer, V. Ya. Asymptotics of the solution of the Cauchy problem for a Riccati matrix differential equation with two small parameters. (Russian) Zbl 0622.34068 Differ. Uravn. 23, No. 3, 517-518 (1987). Reviewer: N.H.Pavel MSC: 34G20 34A12 34H05 PDFBibTeX XMLCite \textit{V. Ya. Glizer}, Differ. Uravn. 23, No. 3, 517--518 (1987; Zbl 0622.34068)
Gurman, V. I.; Konstantinov, G. N. Description and estimation of accessibility sets of control systems. (Russian) Zbl 0621.49022 Differ. Uravn. 23, No. 3, 416-423 (1987). Reviewer: W.Kotarski MSC: 93B03 49L20 49M05 34A60 93B05 93C15 PDFBibTeX XMLCite \textit{V. I. Gurman} and \textit{G. N. Konstantinov}, Differ. Uravn. 23, No. 3, 416--423 (1987; Zbl 0621.49022)
Safonov, V. F. Multipoint resonance in a strongly nonlinear singularly perturbed system of differential equations. (Russian) Zbl 0614.34051 Differ. Uravn. 23, No. 3, 529-530 (1987). MSC: 34E15 34D15 PDFBibTeX XMLCite \textit{V. F. Safonov}, Differ. Uravn. 23, No. 3, 529--530 (1987; Zbl 0614.34051)
Abdullaev, A. S. The second Painlevé equation and the Korteweg-de Vries equation. (Russian) Zbl 0614.34022 Differ. Uravn. 23, No. 3, 509 (1987). MSC: 34A99 PDFBibTeX XMLCite \textit{A. S. Abdullaev}, Differ. Uravn. 23, No. 3, 509 (1987; Zbl 0614.34022)