@article{1102995805, author = {Kahn, Donald W.}, title = {Maps which induce the zero map on homotopy.}, journal = {Pacific J. Math.}, volume = {15}, number = {4}, year = {1965}, pages = { 537-540}, language = {en}, url = {http://dml.mathdoc.fr/item/1102995805} }
Kahn, Donald W. Maps which induce the zero map on homotopy.. Pacific J. Math., Tome 15 (1965) no. 4, pp. 537-540. http://gdmltest.u-ga.fr/item/1102995805/