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@article{DAN_1993_332_1_a1, author = {D. S. Kalyuzhnyi}, title = {The $C^*$-algebra generated by two-sided convolution operators on the {Heisenberg} group}, journal = {Doklady Akademii Nauk}, pages = {8--11}, publisher = {mathdoc}, volume = {332}, number = {1}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_332_1_a1/} }
D. S. Kalyuzhnyi. The $C^*$-algebra generated by two-sided convolution operators on the Heisenberg group. Doklady Akademii Nauk, Tome 332 (1993) no. 1, pp. 8-11. http://geodesic.mathdoc.fr/item/DAN_1993_332_1_a1/