TY - JOUR AU - Hafezieh, Roghayeh AU - Spiga, Pablo TI - Groups having complete bipartite divisor graphs for their conjugacy class sizes JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2015 SP - 117 EP - 124 VL - 133 PB - Seminario Matematico of the University of Padua UR - http://archive.numdam.org/item/RSMUP_2015__133__117_0/ LA - en ID - RSMUP_2015__133__117_0 ER -