@article{ZVMMF_2011_51_11_a2,
     author = {T. A. Rakcheeva},
     title = {Focal approximation on the complex plane},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1963--1972},
     publisher = {mathdoc},
     volume = {51},
     number = {11},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_11_a2/}
}