%0 Journal Article
%A T. R. Walsh
%T Generation of nonisomorphic maps on a computer
%J Doklady Akademii Nauk
%D 1980
%P 301-304
%V 255
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_255_2_a9/
%G ru
%F DAN_1980_255_2_a9