TY - JOUR AU - W. Li TI - Green's relations on the strong endomorphism monoid of a graph. JO - Semigroup forum PY - 1993 SP - 209 EP - 214 VL - 47 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1993__47_2_135270/ ID - SF_1993__47_2_135270 ER -