@article{GDZPPN002208539,
title = {On the adjunction process over a surface in char. p II: the singular case.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {416},
year = {1991},
pages = {77-86},
zbl = {0721.14027},
url = {http://dml.mathdoc.fr/item/GDZPPN002208539}
}
Andreatta, M.; Ballico, E. On the adjunction process over a surface in char. p II: the singular case.. Journal für die reine und angewandte Mathematik, Tome 416 (1991) pp. 77-86. http://gdmltest.u-ga.fr/item/GDZPPN002208539/