%0 Journal Article
%A E. S. Chichkin
%T A theorem on a differential inequality for multi-point boundary-value problems
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1962
%P 170-179
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1962_2_a20/
%G ru
%F IVM_1962_2_a20