@article{GDZPPN002107910, title = {A new characterization of rational surface singularities.}, journal = {Inventiones mathematicae}, volume = {100}, year = {1990}, pages = {157-178}, zbl = {0718.14025}, url = {http://dml.mathdoc.fr/item/GDZPPN002107910} }
Cutkosky, Steven Dale. A new characterization of rational surface singularities.. Inventiones mathematicae, Tome 100 (1990) pp. 157-178. http://gdmltest.u-ga.fr/item/GDZPPN002107910/