@article{IVM_1993_6_a5,
     author = {A. P. Roslyakov},
     title = {Approximations of functions and their derivatives by combinations of {Bernstein} polynomials},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {34--38},
     publisher = {mathdoc},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1993_6_a5/}
}