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@article{IVM_1959_1_a17, author = {L. A. Sakhnovich}, title = {The reduction of non-selfadjoint operators to triangular form}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {180--186}, publisher = {mathdoc}, number = {1}, year = {1959}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1959_1_a17/} }
L. A. Sakhnovich. The reduction of non-selfadjoint operators to triangular form. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1959), pp. 180-186. http://geodesic.mathdoc.fr/item/IVM_1959_1_a17/