@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/