%0 Journal Article %A A. M. Levin %T Decomposability of polymorphisms generated by an action of two finite groups %J Zapiski Nauchnykh Seminarov POMI %D 2010 %P 47-57 %V 378 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2010_378_a4/ %G ru %F ZNSL_2010_378_a4