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@article{IVM_1962_2_a6, author = {Yu. L. Daletskii}, title = {Differentiation of {non-Hermitian} matrix functions depending on a parameter}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {52--64}, publisher = {mathdoc}, number = {2}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1962_2_a6/} }
Yu. L. Daletskii. Differentiation of non-Hermitian matrix functions depending on a parameter. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1962), pp. 52-64. http://geodesic.mathdoc.fr/item/IVM_1962_2_a6/