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@article{TM_1989_189_a0, author = {V. V. Arestov}, title = {Optimal recovery of operators and related problems}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {3--20}, publisher = {mathdoc}, volume = {189}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1989_189_a0/} }
V. V. Arestov. Optimal recovery of operators and related problems. Trudy Matematicheskogo Instituta imeni V.A. Steklova, A work collection of the All-Union school on function theory, Tome 189 (1989), pp. 3-20. http://geodesic.mathdoc.fr/item/TM_1989_189_a0/