@article{BSMF_1990__118_4_395_0,
     author = {D'Almeida, J.},
     title = {Lieu singulier d'une surface r\'egl\'ee},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {395--401},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {118},
     number = {4},
     year = {1990},
     doi = {10.24033/bsmf.2153},
     mrnumber = {91m:14055},
     zbl = {0732.14017},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2153/}
}