Vol. 61 No. 2 (2009)

Published: 25.02.2009

Research articles

Approximation of unbounded operators by bounded operators in a Hilbert space

R. O. Bilichenko, V. F. Babenko

147-153
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- Springer
Serial rings and tiled orders of width two

N. A. Bronitskaya

154-159
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- Springer
Integral representations of generalized axially symmetric potentials in a simply connected domain

S. V. Gryshchuk, S. A. Plaksa

160-177
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- Springer
State estimation for a dynamical system described by a linear equation with unknown parameters

S. M. Zhuk

178-194
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- Springer
Mixed problem for the Petrovskii well-posed equation in a cylindrical domain

B. A. Iskenderov, É. S. Guseinova

214-230
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Improvement of one inequality for algebraic polynomials

A. N. Nesterenko, T. D. Tymoshkevych, A. V. Chaikovs'kyi

231-242
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- Springer
Construction of continuous cocycles for the bicrossed product of locally compact groups

G. B. Podkolzin, Yu. Chapovsky

243-260
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On the existence of a generalized asymmetric (α, β)-spline whose average values have equal minima at given points

D. S. Skorokhodov

261-267
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Conditions for the existence and uniqueness of bounded solutions of nonlinear differential equations

V. Yu. Slyusarchuk

268-279
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- Springer

Short communications

Solution of a countable system of quasilinear partial differential equations multiperiodic in a part of variables

A. B. Berzhanov, E. K. Kurmangaliev

280-288
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- Springer