@article{BSMF_1984__112__407_0,
     author = {Boudriga, N. and Zarati, S.},
     title = {Points quadruples d'immersions de vari\'et\'es de dimension trois en codimension un},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {407--421},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {112},
     year = {1984},
     doi = {10.24033/bsmf.2015},
     mrnumber = {87i:57026},
     zbl = {0571.57019},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2015/}
}