@article{1183524912,
author = {Wallace, Andrew H.},
title = {A geometric method in differential topology},
journal = {Bull. Amer. Math. Soc.},
volume = {68},
number = {6},
year = {1962},
pages = { 533-542},
language = {en},
url = {http://dml.mathdoc.fr/item/1183524912}
}
Wallace, Andrew H. A geometric method in differential topology. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 533-542. http://gdmltest.u-ga.fr/item/1183524912/