%0 Journal Article
%A A. M. Bogomolov
%A S. M. Nikol'skii
%A M. K. Potapov
%A Al. A. Privalov
%T Fouth Saratov Winter School ``Modern Problems of Theory of Functions and Applications''
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1989
%V 44
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1989_44_6_a11/
%G ru
%F RM_1989_44_6_a11