%0 Journal Article
%A S. V. Emel'yanov
%A P. V. Zhivoglyadov
%A S. K. Korovin
%A S. V. Nikitin
%T A semigroup approach to problems of describing a class of
%J Doklady Akademii Nauk
%D 1990
%P 1057-1061
%V 312
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_312_5_a6/
%G ru
%F DAN_1990_312_5_a6