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@article{MAN_1991__291_1_164882, author = {Zbigniew Szafraniec}, title = {On the number of singular ponts of a real projective hypersurface.}, journal = {Mathematische Annalen}, pages = {487--496}, publisher = {mathdoc}, volume = {291}, number = {1}, year = {1991}, zbl = {0724.14002}, url = {http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164882/} }
Zbigniew Szafraniec. On the number of singular ponts of a real projective hypersurface.. Mathematische Annalen, Tome 291 (1991) no. 1, pp. 487-496. http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164882/