%0 Journal Article
%A E. I. Litvak
%T A generalized theorem on negative cycles and estimates of the quality of flow transport in a network
%J Doklady Akademii Nauk
%D 1983
%P 540-542
%V 269
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1983_269_3_a5/
%G ru
%F DAN_1983_269_3_a5