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@article{DAN_1965_161_4_a7, author = {M. A. Naimark}, title = {On commutative algebras of operators in the space $\Pi_k$}, journal = {Doklady Akademii Nauk}, pages = {767--770}, publisher = {mathdoc}, volume = {161}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a7/} }
M. A. Naimark. On commutative algebras of operators in the space $\Pi_k$. Doklady Akademii Nauk, Tome 161 (1965) no. 4, pp. 767-770. http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a7/