@article{IVM_1968_10_a9,
     author = {R. A. Raitsin},
     title = {S. {N.~Bernshtein's} limit theorem for best approximations in the mean, and some of its applications},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {81--86},
     year = {1968},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_10_a9/}
}