@article{1183525458, author = {Feldman, Edgar}, title = {The geometry of immersions. I}, journal = {Bull. Amer. Math. Soc.}, volume = {69}, number = {4}, year = {1963}, pages = { 693-698}, language = {en}, url = {http://dml.mathdoc.fr/item/1183525458} }
Feldman, Edgar. The geometry of immersions. I. Bull. Amer. Math. Soc., Tome 69 (1963) no. 4, pp. 693-698. http://gdmltest.u-ga.fr/item/1183525458/