@article{MZ_1987__196_173895, author = {Bernd Ulrich}, title = {Vanishing of {Cotangent} {Functors.}}, journal = {Mathematische Zeitschrift}, pages = {463--484}, publisher = {mathdoc}, volume = {196}, year = {1987}, zbl = {0657.13023}, url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173895/} }