@article{1250128226, author = {Nowell, W.O.}, title = {Normal fibrations and the existence of tubular neighborhoods}, journal = {Rocky Mountain J. Math.}, volume = {12}, number = {4}, year = {1982}, pages = { 581-590}, language = {en}, url = {http://dml.mathdoc.fr/item/1250128226} }
Nowell, W.O. Normal fibrations and the existence of tubular neighborhoods. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 581-590. http://gdmltest.u-ga.fr/item/1250128226/