@article{CTGDC_1977__18_1_67_0,
     author = {Guitart, Ren\'e},
     title = {Calcul des relations inverses},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {67--100},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {18},
     number = {1},
     year = {1977},
     mrnumber = {439908},
     zbl = {0381.18007},
     language = {fr},
     url = {http://www.numdam.org/item/CTGDC_1977__18_1_67_0/}
}