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@article{MZM_1982_32_4_a7, author = {L. P. Kuptsov}, title = {Expansion of certain parabolic means}, journal = {Matemati\v{c}eskie zametki}, pages = {499--510}, publisher = {mathdoc}, volume = {32}, number = {4}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1982_32_4_a7/} }
L. P. Kuptsov. Expansion of certain parabolic means. Matematičeskie zametki, Tome 32 (1982) no. 4, pp. 499-510. http://geodesic.mathdoc.fr/item/MZM_1982_32_4_a7/