TY - JOUR AU - Everett, Hazel AU - de Figueiredo, Celina M. H. AU - Klein, Sulamita AU - Reed, Bruce TI - The perfection and recognition of bull-reducible Berge graphs JO - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications PY - 2005 SP - 145 EP - 160 VL - 39 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ita:2005009/ DO - 10.1051/ita:2005009 LA - en ID - ITA_2005__39_1_145_0 ER -