%0 Journal Article
%A R. M. Garipov
%T Classification up to isomorphism of crystallographic groups on a~pseudo-Euclidean plane. I.~The general case
%J Sibirskij žurnal industrialʹnoj matematiki
%D 2003
%P 11-31
%V 6
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJIM_2003_6_4_a1/
%G ru
%F SJIM_2003_6_4_a1