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@article{MZM_2005_78_4_a15, author = {E. D. Livshits}, title = {On {Almost-Best} {Approximation} by {Piecewise} {Polynomial} {Functions} in the {Space} $C[0,1]$}, journal = {Matemati\v{c}eskie zametki}, pages = {629--633}, publisher = {mathdoc}, volume = {78}, number = {4}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2005_78_4_a15/} }
E. D. Livshits. On Almost-Best Approximation by Piecewise Polynomial Functions in the Space $C[0,1]$. Matematičeskie zametki, Tome 78 (2005) no. 4, pp. 629-633. http://geodesic.mathdoc.fr/item/MZM_2005_78_4_a15/