%0 Journal Article %A M. A. Pustovykh %T Hochschild cohomology ring for self-injective algebras of tree class~$E_6$ %J Zapiski Nauchnykh Seminarov POMI %D 2014 %P 205-243 %V 423 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2014_423_a10/ %G ru %F ZNSL_2014_423_a10