@article{CTGDC_1972__13_4_327_0,
     author = {Bourn, Dominique},
     title = {Triples $p$-structures},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {327--356},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {13},
     number = {4},
     year = {1972},
     mrnumber = {325729},
     zbl = {0285.18005},
     language = {fr},
     url = {http://www.numdam.org/item/CTGDC_1972__13_4_327_0/}
}