%0 Journal Article %A R. T. Kurdiani %T Hochschild cohomology and extensions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2005 %P 975-976 %V 60 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2005_60_5_a6/ %G en %F RM_2005_60_5_a6