@article{GDZPPN002350408, title = {On Homotopy Invariance of the Tangent Bundle II.}, journal = {Mathematica Scandinavica}, volume = {27}, year = {1970}, pages = {200-220}, zbl = {0191.54002}, url = {http://dml.mathdoc.fr/item/GDZPPN002350408} }
Dupont, Johan L. On Homotopy Invariance of the Tangent Bundle II.. Mathematica Scandinavica, Tome 27 (1970) pp. 200-220. http://gdmltest.u-ga.fr/item/GDZPPN002350408/