@article{hal-02060659,
author = {Breen, Lawrence},
title = {Th\'eorie de Schreier sup\'erieure},
journal = {HAL},
volume = {1992},
number = {0},
year = {1992},
language = {fr},
url = {http://dml.mathdoc.fr/item/hal-02060659}
}
Breen, Lawrence. Théorie de Schreier supérieure. HAL, Tome 1992 (1992) no. 0, . http://gdmltest.u-ga.fr/item/hal-02060659/