@article{DAN_1982_265_4_a25, author = {E. V. Chuprunov and T. N. Tarkhova and N. V. Belov}, title = {On the special cases of the symmetry of the reciprocal phase space}, journal = {Doklady Akademii Nauk}, pages = {874--877}, publisher = {mathdoc}, volume = {265}, number = {4}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_265_4_a25/} }