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@article{DAN_1980_252_2_a10, author = {L. P. Kuptsov}, title = {On parabolic means}, journal = {Doklady Akademii Nauk}, pages = {296--301}, publisher = {mathdoc}, volume = {252}, number = {2}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a10/} }
L. P. Kuptsov. On parabolic means. Doklady Akademii Nauk, Tome 252 (1980) no. 2, pp. 296-301. http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a10/