@article{1102968140, author = {Brualdi, Richard A. and Mason, John H.}, title = {Transversal matroids and Hall's theorem.}, journal = {Pacific J. Math.}, volume = {43}, number = {3}, year = {1972}, pages = { 601-613}, language = {en}, url = {http://dml.mathdoc.fr/item/1102968140} }
Brualdi, Richard A.; Mason, John H. Transversal matroids and Hall's theorem.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 601-613. http://gdmltest.u-ga.fr/item/1102968140/