@article{ZVMMF_1988_28_6_a5,
     author = {E. A. Volkov},
     title = {Approximate conformal mapping of a disk with a polygonal hole onto a ring by the block method},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {835--841},
     publisher = {mathdoc},
     volume = {28},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1988_28_6_a5/}
}