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@article{DE_1969_5_9_a14, author = {V. G. Hryptun}, title = {Necessary conditions for operator quasianalyticity}, journal = {Differencialʹnye uravneni\^a}, pages = {1690--1699}, publisher = {mathdoc}, volume = {5}, number = {9}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_9_a14/} }
V. G. Hryptun. Necessary conditions for operator quasianalyticity. Differencialʹnye uravneniâ, Tome 5 (1969) no. 9, pp. 1690-1699. http://geodesic.mathdoc.fr/item/DE_1969_5_9_a14/