%0 Journal Article
%A L. P. Kokhanovskaya
%T On the accuracy of the first approximation for non-stationary linear systems
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1964
%P 75-78
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1964_4_a10/
%G ru
%F IVM_1964_4_a10