@article{ZVMMF_1985_25_11_a1,
     author = {A. V. Antonets},
     title = {Simple approximations of functions with additional conditions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1589--1598},
     publisher = {mathdoc},
     volume = {25},
     number = {11},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_11_a1/}
}