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@article{MZM_1983_33_2_a6, author = {G. A. Totkov}, title = {Exact values of best one-sided approximations by trigonometric polynomials and splines}, journal = {Matemati\v{c}eskie zametki}, pages = {215--226}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_2_a6/} }
G. A. Totkov. Exact values of best one-sided approximations by trigonometric polynomials and splines. Matematičeskie zametki, Tome 33 (1983) no. 2, pp. 215-226. http://geodesic.mathdoc.fr/item/MZM_1983_33_2_a6/