@article{1256049794,
author = {Berstein, Israel and Dror, Emmanuel},
title = {On the homotopy type of non-simply-connected co-$H$-spaces},
journal = {Illinois J. Math.},
volume = {20},
number = {4},
year = {1976},
pages = { 528-534},
language = {en},
url = {http://dml.mathdoc.fr/item/1256049794}
}
Berstein, Israel; Dror, Emmanuel. On the homotopy type of non-simply-connected co-$H$-spaces. Illinois J. Math., Tome 20 (1976) no. 4, pp. 528-534. http://gdmltest.u-ga.fr/item/1256049794/