%0 Journal Article
%A È. M. Vaisbord
%T On the existence of a~periodic solution and on the global boundedness of solutions of a~system of ordinary third-order differential equations
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1959
%P 38-49
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1959_4_a5/
%G ru
%F IVM_1959_4_a5