%0 Journal Article
%A Welsh, D. J. A.
%T Transversal Theory and Matroids
%J Canadian journal of mathematics
%D 1969
%P 1323-1330
%V 21
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-145-0/
%R 10.4153/CJM-1969-145-0
%F 10_4153_CJM_1969_145_0