@article{IVM_1989_5_a5,
     author = {M. P. Ovchintsev},
     title = {The best method for approximating regular bounded functions in an annulus from their values at given points},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {32--39},
     publisher = {mathdoc},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_5_a5/}
}