@article{JMPA_1950_9_29__169_0,
     author = {Leray, Jean},
     title = {L{\textquoteright}homologie d{\textquoteright}un espace fibr\'e dont la fibre est connexe},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {169--213},
     volume = {9e s{\'e}rie, 29},
     year = {1950},
     mrnumber = {39256},
     zbl = {0039.19103},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1950_9_29__169_0/}
}