@article{GDZPPN002434253, title = {Vanishing of Cotangent Functors.}, journal = {Mathematische Zeitschrift}, volume = {194}, year = {1987}, pages = {463-484}, zbl = {0657.13023}, url = {http://dml.mathdoc.fr/item/GDZPPN002434253} }
Ulrich, Bernd. Vanishing of Cotangent Functors.. Mathematische Zeitschrift, Tome 194 (1987) pp. 463-484. http://gdmltest.u-ga.fr/item/GDZPPN002434253/