%0 Journal Article
%A Hedrlín, Z.
%A Pultr, A.
%T On Rigid Undirected Graphs
%J Canadian journal of mathematics
%D 1966
%P 1237-1242
%V 18
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-121-7/
%R 10.4153/CJM-1966-121-7
%F 10_4153_CJM_1966_121_7