@article{DAN_1980_255_2_a9,
     author = {T. R. Walsh},
     title = {Generation of nonisomorphic maps on a computer},
     journal = {Doklady Akademii Nauk},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {255},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_2_a9/}
}