@article{GDZPPN002109107,
title = {Geography for surfaces of general type in positive characteristic.},
journal = {Inventiones mathematicae},
volume = {104},
year = {1991},
pages = {263-274},
zbl = {0813.14025},
url = {http://dml.mathdoc.fr/item/GDZPPN002109107}
}
Shepherd-Barron, N.I. Geography for surfaces of general type in positive characteristic.. Inventiones mathematicae, Tome 104 (1991) pp. 263-274. http://gdmltest.u-ga.fr/item/GDZPPN002109107/