@article{1256045838, author = {Lashof, R.}, title = {Equivariant isotopies and submersions}, journal = {Illinois J. Math.}, volume = {29}, number = {4}, year = {1985}, pages = { 11-24}, language = {en}, url = {http://dml.mathdoc.fr/item/1256045838} }
Lashof, R. Equivariant isotopies and submersions. Illinois J. Math., Tome 29 (1985) no. 4, pp. 11-24. http://gdmltest.u-ga.fr/item/1256045838/