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@article{DAN_1958_121_6_a5, author = {S. I. Rabinovich}, title = {On extremum functions in some problems of the approximation theory}, journal = {Doklady Akademii Nauk}, pages = {977--979}, publisher = {mathdoc}, volume = {121}, number = {6}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_6_a5/} }
S. I. Rabinovich. On extremum functions in some problems of the approximation theory. Doklady Akademii Nauk, Tome 121 (1958) no. 6, pp. 977-979. http://geodesic.mathdoc.fr/item/DAN_1958_121_6_a5/