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@article{TRSPY_1961_60_a4, author = {V. G. Boltyanskii}, title = {Application of the theory of optimal processes to problems of approximation of functions}, journal = {Informatics and Automation}, pages = {82--95}, publisher = {mathdoc}, volume = {60}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1961_60_a4/} }
V. G. Boltyanskii. Application of the theory of optimal processes to problems of approximation of functions. Informatics and Automation, Trudy Matematicheskogo Instituta imeni V. A. Steklova, Tome 60 (1961), pp. 82-95. http://geodesic.mathdoc.fr/item/TRSPY_1961_60_a4/