@article{GDZPPN002239280,
title = {The plurigenera of Gorenstein surface singularities.},
journal = {Manuscripta mathematica},
volume = {94},
year = {1997},
pages = {187-194},
zbl = {0902.14025},
url = {http://dml.mathdoc.fr/item/GDZPPN002239280}
}
Okuma, Tomohiro. The plurigenera of Gorenstein surface singularities.. Manuscripta mathematica, Tome 94 (1997) pp. 187-194. http://gdmltest.u-ga.fr/item/GDZPPN002239280/