%0 Journal Article %A L. Mdzinarishvili %T The functor $\operatorname{Ext}^n$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 180-185 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1983_154_a17/ %G ru %F TM_1983_154_a17