@article{1256054670, author = {Smith, Larry}, title = {The cohomology of stable two stage Postnikov systems}, journal = {Illinois J. Math.}, volume = {11}, number = {4}, year = {1967}, pages = { 310-329}, language = {en}, url = {http://dml.mathdoc.fr/item/1256054670} }
Smith, Larry. The cohomology of stable two stage Postnikov systems. Illinois J. Math., Tome 11 (1967) no. 4, pp. 310-329. http://gdmltest.u-ga.fr/item/1256054670/