%0 Journal Article
%A V.A. Molchanov
%T Semigroups of mappings on graphs.
%J Semigroup forum
%D 1983
%P 155-200
%V 27
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1983__27_134622/
%F SF_1983__27_134622