Grebennikov, A. I.; Morozov, V. A. Über die optimale Approximation von Operatoren. (Russian) Zbl 0394.65017 Zh. Vychisl. Mat. Mat. Fiz. 17, 3-14 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 1 Document MSC: 65J15 Numerical solutions to equations with nonlinear operators Keywords:Optimal Operator; Optimal Approximation of Operators; Nonlinear And Unbounded Operators; Effective Lower Estimations; Functional Analytic Methods × Cite Format Result Cite Review PDF