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@article{TRSPY_1980_145_a7, author = {Yu. N. Subbotin}, title = {Extremal problems of the theory of approximation of functions with incomplete information}, journal = {Informatics and Automation}, pages = {152--168}, publisher = {mathdoc}, volume = {145}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1980_145_a7/} }
Yu. N. Subbotin. Extremal problems of the theory of approximation of functions with incomplete information. Informatics and Automation, Approximation of functions by polynomials and splines, Tome 145 (1980), pp. 152-168. http://geodesic.mathdoc.fr/item/TRSPY_1980_145_a7/