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2003, Number 8  


On the construction of a degree theory for completely continuous and Fredholm sections of Banach vector bundles
Yu. G. Borisovich, A. A. Demchenko
3
On plus operators from von Neumann algebras
E. V. Vladova, M. S. Matveichuk
7
On the solution of saddle problems by methods with model saddle operators on the upper layer
M. V. Gorelova, E. V. Chizhonkov
19
On an algorithm for approximation by step functions
Yu. Ya. Dobrosotskaya
28
Solution of a singular integrodifferential equation by the spline collocation method
È. N. Samoilova
37
Numerical solution of systems of equations of Leontief type
G. A. Sviridyuk, S. V. Brychev
46
On the accuracy of approximate symmetries of equations of the dynamics of a non-Newtonian fluid and their invariant solutions. I
S. L. Tonkonog, L. D. Èskin
53

Brief communications
On analogues of Borel's theorem for spaces of ultra differentiable functions of normal type
D. A. Abanina
63
The Fourier method in the Cauchy problem for a fourth-order equation on stratified sets
E. M. Bogatov, O. M. Penkin
67
Quasi-identities in modular lattices of semigroup varieties
B. M. Vernikov
72
Investigation of the spectral characteristics of the one-dimensional Schrödinger operator with a potential having $\delta$ and $\delta'$ interactions
R. I. Kadiev
77
Quadrature methods for solving the singular integral Theodorsen equation
I. K. Rakhimov
82
Известия высших учебных заведений. Математика Russian Mathematics (Izvestiya VUZ. Matematika)
 
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