TY  - JOUR
AU  - V.A. Molchanov
TI  - Semigroups of mappings on graphs.
JO  - Semigroup forum
PY  - 1983
SP  - 155
EP  - 200
VL  - 27
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1983__27_134622/
ID  - SF_1983__27_134622
ER  -