Mat. Zametki, 2004, Volume 75, Issue 4

JOURNALS // Matematicheskie Zametki // Archive

2004, Volume 75, Issue 4

	Inequalities of Littlewood–Paley Type for $n$-Harmonic Functions on the Polydisk K. L. Avetisyan	483
	On Coefficients of Eigenfunction Expansions for Boundary-Value Problems with Parameter in Boundary Conditions A. M. Akhtyamov	493
	Universal Models For Real Submanifolds V. K. Beloshapka	507
	Actions of Finitely Generated Groups and Semigroups on a Plane by Means of Isometries Ya. B. Vorobets	523
	On the Siegel Conjecture for Second-Order Homogeneous Linear Differential Equations V. A. Gorelov	549
	RUC Bases and the Olevskii System K. S. Kazarian, E. M. Semenov	566
	Strong-Type Inequality for Convolution with Square Root of the Poisson Kernel V. G. Krotov, I. N. Katkovskaya	580
	Approximation by Piecewise Constant Functions on a Square A. S. Kochurov	592
	Asymptotics of Kink–Kink Interaction for Sine-Gordon Type Equations G. A. Omel'yanov, D. A. Kulagin	603
	Estimate of the Norm of a Polyanalytic Function via the Norm of Its Polyharmonic Component A. K. Ramazanov	608
	Weakly Cospectral Graphs S. P. Strunkov	614
	Coxeter Decompositions of Compact Hyperbolic Pyramids and Triangular Prisms A. A. Felikson	624

Brief Communications
	Binomial Sums Related to Rational Approximations to $\zeta(4)$ W. V. Zudilin	637