@article{FORUM_1990__2_3_141658,
     author = {Said Zarati and Noureddine Boudriga},
     title = {Points multiples isol\'es d'immersions de codimension quatre.},
     journal = {Forum mathematicum},
     pages = {579--584},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1990},
     zbl = {0718.57011},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1990__2_3_141658/}
}