@article{CMH_1977__52_139701,
     author = {Pierre Vogel},
     title = {Un th\'eor\`eme de {Hurewicz} homologique.},
     journal = {Commentarii mathematici Helvetici},
     pages = {393--414},
     year = {1977},
     volume = {52},
     zbl = {0369.57013},
     url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139701/}
}