Vol. 2 No. 2 (1999)

Articles

• Stability and stabilization of periodic differential systems

  A. U. Akhmetova, K. K. Kenzhebaev, Valery N. Laptinskii

  147-161

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• Grounding of the averaging method for nonlinear resonance systems with delay

  Yaroslav I. Bigun

  162-169

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• Pseudodifferential turning point in the theory of singular perturbations

  V. M. Bobochko, Vasyl O. Bolilyi

  170-176

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• On stability for the state of equilibrium of one system with impulse influence

  S. I. Gurgula, V. I. Gorgula

  177-179

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• On smoothness of generalized quasiperiodic solutions of Lagrangian systems on Riemannian manifolds of non-positive curvature

  Sergei F. Zakharin, Igor O. Parasyuk

  180-193

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• The case of conditional stability for a singularly perturbed Noetherian boundary value problems

  Ludmil I. Karandzhulov

  194-208

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• Periodic solutions of quasilinear matrix differential equations

  S. A. Kryvosheya

  209-216

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• Optimum finite-element method for domains of complex form (a Dirichlet problem for an equation with elliptic differential operator of 2-nd order)

  O. M. Lytvyn, Konstantin V. Nosov, O. P. Trofimenko

  217-224

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• Existence and uniqueness of an analytic solution of a nonlinear differential-functional equation of neutral type

  Anatoly M. Samoilenko, Andrii G. Pelyukh

  225-230

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• Multipoint problems for oscillatory systems with slowly varying frequencies

  Anatoly M. Samoilenko, Yaroslav R. Petryshin

  231-240

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• On one operator equation of the theory of discrete dynamical systems

  Anatoly M. Samoilenko, V. Yu. Slyusarchuk, Volodymyr V. Slyusarchuk

  241-251

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• On count-point boundary value problems for countable systems of ordinary differential equations

  Yuri V. Teplinsky, V. A. Nedokis

  252-266

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• Asymptotic method for the investigation of a weakly-linear system of four differential equations

  V. S. Tkachuk

  267-277

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• The simplest $P$-type differential equations of the fourth order

  Alexandre V. Chichurin

  278-284

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• Linear systems with singular impulse action and systems dual to them

  Sergiy M. Chuiko, Elena V. Chuiko

  285-289

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