@article{ZVMMF_1981_21_1_a4,
     author = {B. S. Polskii},
     title = {On a method for solving elliptic difference equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {29--34},
     year = {1981},
     volume = {21},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_1_a4/}
}