%0 Journal Article
%A N. I. Shkil'
%T Periodic solutions of systems of linear differential equations with slowly varying coefficients
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1976
%P 79-91
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1976_2_a10/
%G ru
%F IVM_1976_2_a10