Vol 49 No 8 (1997) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.08.1997

Anniversaries

Vladimir Marchenko. '75

1126
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Research articles

Optimal renewal of definite integrals of monotone functions from the class $H^{ω}$

T. N. Busarova

1011–1015
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- Springer
Tracing of pseudotrajectories of dynamical systems and stability of prolongations of orbits

M. B. Vereikina, O. M. Sharkovsky

1016–1024
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- Springer
Generalized factorized groups with dispersible subgroups

N. Yu. Verpatova

1025–1031
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- Springer
On absolute, perfect, and unconditional convergences of double series in Banach spaces

M. I. Kadets

1032–1041. August
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- Springer
Testing of numerous hypotheses with the use of an optimal extended nonrandomized procedure

V. N. Koval, Yu. V. Kuk

1042–1054
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- Springer
Aniterative method for the solution of some singularly perturbed cauchy problems

T. A. Mel'nik

1055–1060
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- Springer
Three problems related to the Kummer problem

I. V. Reshetukha

1061–1068
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- Springer
Rate of convergence of Fourier series on the classes of $\overline{\psi}$-integrals

O. I. Stepanets

1069-1113
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Contour-solid properties of finely hypoharmonic functions

A. A. Sarana, P. M. Tamrazov

1114–1125
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Short communications

On the existence of discontinuous limit cycles for one system of differential equations with pulse influence

T. V. Gorbachuk, N. A. Perestyuk

1127–1134
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- Springer
Some inequalities for gradients of harmonic functions

Yu. A. Grigor'ev

1135–1136
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On periodic solutions of linear degenerate second-order ordinary differential equations

V. O. Er’omenko

1137–1142
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On the mean-value theorem for analytic functions

V. V. Savchuk

1143–1147
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Structure of one class of groups with conditions of denseness of normality for subgroups

N. N. Semko

1148–1151
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Chronicles

Seminar-School “Mathematical Simulation”

1152
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- Springer