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@article{MAN_1981__256_163501, author = {Ragni Piene}, title = {Cuspidal {Projections} of {Space} {Curves.}}, journal = {Mathematische Annalen}, pages = {95--120}, publisher = {mathdoc}, volume = {256}, year = {1981}, zbl = {0468.14010}, url = {http://geodesic.mathdoc.fr/item/MAN_1981__256_163501/} }
Ragni Piene. Cuspidal Projections of Space Curves.. Mathematische Annalen, Tome 256 (1981), pp. 95-120. http://geodesic.mathdoc.fr/item/MAN_1981__256_163501/