%0 Journal Article
%A O. A. Kastritsa
%T The structure of matrices of coefficients of linear spherically combined systems
%J Differencialʹnye uravneniâ
%D 1973
%P 2248-2250
%V 9
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_12_a18/
%G ru
%F DE_1973_9_12_a18