%0 Journal Article
%A T. A. Tushkina
%T Finding of ``wasp waist'' in partial ordering graph
%J Zapiski Nauchnykh Seminarov POMI
%D 1983
%P 41-43
%V 124
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1983_124_a3/
%G ru
%F ZNSL_1983_124_a3