%0 Journal Article %A V. A. Arzumanian %A A. M. Vershik %T Factor representations of the crossed product of a commutative $C^*$-algebra and a semigroup of its endomorphisms %J Doklady Akademii Nauk %D 1978 %P 513-516 %V 238 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_238_3_a0/ %G ru %F DAN_1978_238_3_a0