@article{JRAM_1993__435_153489,
     author = {Christopher Sorger},
     title = {Theta-caracteristiques des courbes tracees sur une surface lisse.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {83--118},
     publisher = {mathdoc},
     volume = {435},
     year = {1993},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1993__435_153489/}
}