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@article{IVM_2014_1_a1, author = {V. P. Derevenskii}, title = {Quadratic equations over matrix skew series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {17--30}, publisher = {mathdoc}, number = {1}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2014_1_a1/} }
V. P. Derevenskii. Quadratic equations over matrix skew series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (2014), pp. 17-30. http://geodesic.mathdoc.fr/item/IVM_2014_1_a1/
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