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@article{DAN_1992_324_2_a15, author = {L. I. Piterbarg}, title = {Canonical variables for {Rossby} waves with closed level curves of}, journal = {Doklady Akademii Nauk}, pages = {316--320}, publisher = {mathdoc}, volume = {324}, number = {2}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_2_a15/} }
L. I. Piterbarg. Canonical variables for Rossby waves with closed level curves of. Doklady Akademii Nauk, Tome 324 (1992) no. 2, pp. 316-320. http://geodesic.mathdoc.fr/item/DAN_1992_324_2_a15/