%0 Journal Article %A A. S. Dynin %T An algebra of pseudodifferential operators on the Heisenberg group. Symbolic calculus %J Doklady Akademii Nauk %D 1976 %P 792-795 %V 227 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_227_4_a4/ %G ru %F DAN_1976_227_4_a4