%0 Journal Article %A M. A. Kachalova %T Hochschild cohomology ring for self-injective algebras of tree class $E_6$. II %J Zapiski Nauchnykh Seminarov POMI %D 2019 %P 128-171 %V 478 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2019_478_a6/ %G ru %F ZNSL_2019_478_a6