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@article{IVM_1989_4_a10, author = {I. M. Spitkovskiǐ and A. M. Tashbaev}, title = {On the efficient factorization of matrix functions}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {69--76}, publisher = {mathdoc}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1989_4_a10/} }
I. M. Spitkovskiǐ; A. M. Tashbaev. On the efficient factorization of matrix functions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1989), pp. 69-76. http://geodesic.mathdoc.fr/item/IVM_1989_4_a10/