%0 Journal Article %A D. S. Kalyuzhnyi %T The $C^*$-algebra generated by two-sided convolution operators on the Heisenberg group %J Doklady Akademii Nauk %D 1993 %P 8-11 %V 332 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_332_1_a1/ %G ru %F DAN_1993_332_1_a1