@article{1077309564,
author = {Cooper, Benjamin G.},
title = {Doubly stable two-stage Postnikov systems},
journal = {Duke Math. J.},
volume = {40},
number = {1},
year = {1973},
pages = { 115-130},
language = {en},
url = {http://dml.mathdoc.fr/item/1077309564}
}
Cooper, Benjamin G. Doubly stable two-stage Postnikov systems. Duke Math. J., Tome 40 (1973) no. 1, pp. 115-130. http://gdmltest.u-ga.fr/item/1077309564/