%0 Journal Article
%A A. P. Matkovskii
%A V. A. Mukhachev
%T Fundamental systems for differential equations with operator coefficients
%J Matematičeskie zametki
%D 1970
%P 777-782
%V 8
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1970_8_6_a10/
%G ru
%F MZM_1970_8_6_a10