%0 Journal Article
%A Jian Shen
%A Raphael Yuster
%T A note on the number of edges guaranteeing a \(C_4\) in Eulerian bipartite digraphs
%J The electronic journal of combinatorics
%D 2002
%V 9
%U http://geodesic.mathdoc.fr/articles/10.37236/1667/
%R 10.37236/1667
%F 10_37236_1667