@article{CTGDC_2007__48_4_270_0,
     author = {Ehresmann, Andr\'ee C.},
     title = {Sur {Paulette} {Libermann} (1919-2007)},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {270--274},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {48},
     number = {4},
     year = {2007},
     mrnumber = {2394014},
     zbl = {1137.01317},
     language = {fr},
     url = {http://www.numdam.org/item/CTGDC_2007__48_4_270_0/}
}