@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/