1. Coverings of the rational double points in characteristic p;Artin,1977
2. Higher derivations and integral closure;Becker;Am. J. Math.,1978
3. Fifteen characterizations of rational double points and simple critical points;Durfee;Enseign. Math. (2),1979
4. F-purity and rational singularity;Fedder;Trans. Am. Math. Soc.,1983
5. Extendability of differential forms on nonisolated singularities;Flenner;Invent. Math.,1988