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@article{MZM_1981_30_6_a5, author = {A. S. Shvedov}, title = {Coapproximation of piecewise-monotone functions by polynomials}, journal = {Matemati\v{c}eskie zametki}, pages = {839--846}, publisher = {mathdoc}, volume = {30}, number = {6}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_6_a5/} }
A. S. Shvedov. Coapproximation of piecewise-monotone functions by polynomials. Matematičeskie zametki, Tome 30 (1981) no. 6, pp. 839-846. http://geodesic.mathdoc.fr/item/MZM_1981_30_6_a5/