@article{TRSPY_1983_164_a12,
     author = {V. N. Temlyakov},
     title = {Relations between best approximations of functions analytic in the bidisk},
     journal = {Informatics and Automation},
     pages = {189--196},
     publisher = {mathdoc},
     volume = {164},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1983_164_a12/}
}