%0 Journal Article
%A A. P. Krishchenko
%T Domains of existence of cycles
%J Doklady Akademii Nauk
%D 1997
%P 17-19
%V 353
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1997_353_1_a3/
%G ru
%F DAN_1997_353_1_a3