TY - JOUR AU - Chen, Xue-Gang TI - Vertices contained in all minimum paired-dominating sets of a tree JO - Czechoslovak Mathematical Journal PY - 2007 SP - 407 EP - 417 VL - 57 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_2007__57_1_a30/ LA - en ID - CMJ_2007__57_1_a30 ER -