@article{IVM_1995_8_a7,
     author = {S. Ya. Khavinson},
     title = {Some approximation properties of linear superpositions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {63--73},
     publisher = {mathdoc},
     number = {8},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1995_8_a7/}
}