TY - JOUR AU - A. Ballester-Bolinches AU - John Cossey AU - R. Esteban-Romero TI - A characterization via graphs of the soluble groups in which permutability is transitive JO - Algebra and discrete mathematics PY - 2009 SP - 10 EP - 17 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2009_4_a2/ LA - en ID - ADM_2009_4_a2 ER -