@article{GDZPPN002476460, title = {A Proof of Menger's Theorem.}, journal = {Monatshefte f\"ur Mathematik}, volume = {73}, year = {1969}, pages = {81-83}, zbl = {0176.22502}, url = {http://dml.mathdoc.fr/item/GDZPPN002476460} }
Pym, J.S. A Proof of Menger's Theorem.. Monatshefte für Mathematik, Tome 73 (1969) pp. 81-83. http://gdmltest.u-ga.fr/item/GDZPPN002476460/