@article{PDML_1969__6_2_131_0,
     author = {Roux, A.},
     title = {Une propri\'et\'e homotopique des cofibrations},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {131--138},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     volume = {6},
     number = {2},
     year = {1969},
     mrnumber = {258038},
     zbl = {0218.55017},
     language = {fr},
     url = {http://archive.numdam.org/item/PDML_1969__6_2_131_0/}
}