%0 Journal Article
%A Abbott, H. L.
%A Moser, L.
%T On a Combinatorial Problem of Erdös and Hajnal
%J Canadian mathematical bulletin
%D 1964
%P 177-181
%V 7
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-016-9/
%R 10.4153/CMB-1964-016-9
%F 10_4153_CMB_1964_016_9