@article{IVM_1987_12_a5,
     author = {M. I. Ganzburg},
     title = {Exact constants of the best polynomial approximation on an $(m-1)$-dimensional sphere},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {35--42},
     publisher = {mathdoc},
     number = {12},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_12_a5/}
}