@article{1028998276,
author = {Brown, Edgar H. and Copeland, Arthur H.},
title = {An homology analogue of Postnikov systems.},
journal = {Michigan Math. J.},
volume = {6},
number = {1},
year = {1959},
pages = { 313-330},
language = {en},
url = {http://dml.mathdoc.fr/item/1028998276}
}
Brown, Edgar H.; Copeland, Arthur H. An homology analogue of Postnikov systems.. Michigan Math. J., Tome 6 (1959) no. 1, pp. 313-330. http://gdmltest.u-ga.fr/item/1028998276/