00686nam0-22002531i-450-990001163250403321000116325FED01000116325(Aleph)000116325FED0100011632520000920d1984----km-y0itay50------baengTopics on Perfect GraphsAmsterdam [etc.]North-Holland1984North-Holland mathematics studies88Edited by C.Berge,V ChvatalITUNINARICAUNIMARCBK990001163250403321C-21-(88971MA1MA1Topics on perfect graphs78877UNINAING01