@article{IVM_2022_6_a7,
     author = {R. Z. Dautov},
     title = {Direct and inverse theorems for the approximation of functions by algebraic polynomials and splines in the norms of the {Sobolev} space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--86},
     publisher = {mathdoc},
     number = {6},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2022_6_a7/}
}