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@article{IVM_1969_7_a5, author = {A. N. Zhernak}, title = {The reduction of a~system of difference equations with periodic coefficients}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {48--53}, publisher = {mathdoc}, number = {7}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_7_a5/} }
A. N. Zhernak. The reduction of a~system of difference equations with periodic coefficients. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1969), pp. 48-53. http://geodesic.mathdoc.fr/item/IVM_1969_7_a5/