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@article{MZM_1980_28_1_a7, author = {A. I. Grebennikov}, title = {An optimal method for approximating the values of nonlinear operators}, journal = {Matemati\v{c}eskie zametki}, pages = {67--74}, publisher = {mathdoc}, volume = {28}, number = {1}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1980_28_1_a7/} }
A. I. Grebennikov. An optimal method for approximating the values of nonlinear operators. Matematičeskie zametki, Tome 28 (1980) no. 1, pp. 67-74. http://geodesic.mathdoc.fr/item/MZM_1980_28_1_a7/