@article{ITA_2005__39_1_145_0,
     author = {Everett, Hazel and de Figueiredo, Celina M. H. and Klein, Sulamita and Reed, Bruce},
     title = {The perfection and recognition of bull-reducible {Berge} graphs},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {145--160},
     publisher = {EDP-Sciences},
     volume = {39},
     number = {1},
     year = {2005},
     doi = {10.1051/ita:2005009},
     mrnumber = {2132584},
     zbl = {1063.05055},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2005009/}
}