%0 Journal Article %A Luchezar L. Avramov %T Locally complete intersection homomorphisms and a conjecture of Quillen on the vanishing of cotangent homology %J Annals of mathematics %D 1999 %V 150 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM_1999_150_2_a1/ %F AM_1999_150_2_a1