%0 Journal Article %A G. P. Voskresenskii %A A. V. Zabrodin %A V. G. Cheban %T All-Union School “Theoretical Foundations and Construction of Numerical Algorithms for Solving Problems of Mathematical Physics” %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %V 30 %N 6 %U http://geodesic.mathdoc.fr/item/RM_1975_30_6_a27/ %G ru %F RM_1975_30_6_a27