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2001, Volume 37, Number 12  


Science People
Valentin Vital'evich Rumyantsev (A tribute in honor of his 80th birthday)
I. A. Gerasimov, E. A. Grebenikov, O. V. Druzhinina, V. A. Il'in, V. V. Kozlov, V. M. Matrosov, R. G. Mukharlyamov, V. M. Savchin, A. A. Samarskii, V. N. Tkhai, A. A. Shestakov, V. N. Shchennikov
1587–1592

Ordinary Differential Equations
Lower Bounds for the Characteristic Exponents of a Linear System with Generalized Perron Perturbations
N. A. Izobov, S. N. Batan
1593–1598
A Remark on the Convergence Problem for Spectral Expansions Corresponding to a Classical Problem with Spectral Parameter in the Boundary Condition
N. Yu. Kapustin, E. I. Moiseev
1599–1604
Asymptotic Observers for Bilinear Systems on the Plane
S. K. Korovin, V. V. Fomichev
1605–1611
Generalized Bernstein Conditions for Systems of Ordinary Differential Equations
A. Ya. Lepin, A. D. Myshkis
1612–1617

Partial Differential Equations
Existence and the Asymptotic Behavior of Generalized Solutions of the Neumann Problem for Second-Order Elliptic Equations in Unbounded Layer Domains
M. G. Gasymov, G. I. Aslanov
1618–1628
The Gevrey Problem for a Third-Order Difference-Differential Mixed-Parabolic Equation
E. A. Zarubin
1629–1636
The Oblique Derivative Problem for a Nonuniformly Parabolic Equation
I. D. Pukal'skii
1637–1645
Smoothness of Solutions of Linear Equations of Sobolev Type
V. E. Fedorov
1646–1649
Relative Stabilization of a Nonlinear Degenerate Parabolic Equation
O. V. Khramtsov
1650–1654
Optimization of the Boundary Control of Vibrations on One Endpoint with the Other Endpoint Being Fixed
G. D. Chabakauri
1655–1663

Numerical methods. Equations in finite differences
On a Class of Additive Iterative Methods
V. N. Abrashin, A. A. Egorov, N. G. Zhadaeva
1664–1673
State Estimation for Two-Parameter Discrete Systems
I. V. Gaishun
1674–1679
Conditions for the Stable Coexistence of Two Populations of the Same Species
V. A. Dobrynskii
1680–1685
Stability of Volterra Difference Equations
V. B. Kolmanovskii, N. P. Kosareva
1686–1694

Short Communications
Some Qualitative Properties of Solutions of a Mixed Boundary Value Problem for Second-Order Quasilinear Elliptic Equations
T. S. Gadzhiev
1695–1697
The Construction of the Riemann Function for a Fourth-Order Equation
A. N. Mironov
1698–1701
Integro-Quasidifferential Equations
T. A. Mel'nik
1702–1704
Bifurcations of Solutions of Differential Equations in the Problem of Loop Generation on a Flexible Rod
M. V. Los', A. E. Ordanovich
1705–1707
Quadrature Formulas with Prescribed Nodes for Singular Integrals
Sh. S. Khubezhty
1708–1710

Letter to the editor
Letter to the Editorial Board
E. G. D'yakonov
1711
 
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