@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/