@article{GDZPPN002208067, title = {Curves on surfaces with multiple line.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, volume = {405}, year = {1990}, pages = {48-62}, zbl = {0712.14016}, url = {http://dml.mathdoc.fr/item/GDZPPN002208067} }
Walter, Charles H. Curves on surfaces with multiple line.. Journal für die reine und angewandte Mathematik, Tome 405 (1990) pp. 48-62. http://gdmltest.u-ga.fr/item/GDZPPN002208067/