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@article{DAN_1974_214_6_a4, author = {M. V. Karasev}, title = {Expansion of functions of noncommuting operators}, journal = {Doklady Akademii Nauk}, pages = {1254--1257}, publisher = {mathdoc}, volume = {214}, number = {6}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_6_a4/} }
M. V. Karasev. Expansion of functions of noncommuting operators. Doklady Akademii Nauk, Tome 214 (1974) no. 6, pp. 1254-1257. http://geodesic.mathdoc.fr/item/DAN_1974_214_6_a4/