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@article{IVM_1993_12_a9, author = {I. V. Konnov}, title = {On the rate of convergence of combined relaxation methods}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {89--92}, publisher = {mathdoc}, number = {12}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_12_a9/} }
I. V. Konnov. On the rate of convergence of combined relaxation methods. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1993), pp. 89-92. http://geodesic.mathdoc.fr/item/IVM_1993_12_a9/