@article{IVM_1975_3_a6,
     author = {V. V. Lipovik},
     title = {The order of strong approximation of functions by {\v{C}eby\v{s}ev} interpolation sums},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {50--58},
     publisher = {mathdoc},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1975_3_a6/}
}