%0 Journal Article
%A V. V. Leonov
%T The problem of constructing a~fundamental solution of a~system of linear differential equations near an irregular singular point
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1958
%P 123-141
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1958_3_a15/
%G ru
%F IVM_1958_3_a15