%0 Journal Article
%A R. A. Bogdanova
%T The Groups of Motions of Two-Dimensional Helmholtz Geometries as Solutions to Functional Equations
%J Sibirskij žurnal industrialʹnoj matematiki
%D 2009
%P 12-22
%V 12
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJIM_2009_12_4_a1/
%G ru
%F SJIM_2009_12_4_a1