@misc{CTGDC_2005__46_3_163_0,
     title = {{\guillemotleft} {Charles} {Ehresmann} : 100 ans {\guillemotright}},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {163--239},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {46},
     number = {3},
     year = {2005},
     mrnumber = {2209364},
     zbl = {1078.18500},
     language = {fr},
     url = {http://archive.numdam.org/item/CTGDC_2005__46_3_163_0/}
}