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@article{IVM_1960_5_a9, author = {G. Ya. Karasik}, title = {The small-parameter method for iteration systems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {74--85}, publisher = {mathdoc}, number = {5}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1960_5_a9/} }
G. Ya. Karasik. The small-parameter method for iteration systems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1960), pp. 74-85. http://geodesic.mathdoc.fr/item/IVM_1960_5_a9/