Topics on perfect graphs / edited by C. Berge, V. Chvátal. Berge, Claude. Chvátal, Vašek, 1946- Perfect graphs. QA166.16 .T66 1984 511.5 19 T674 Includes bibliographies. Amsterdam ; New York : North-Holland Pub. Co. ; New York : sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1984. 1984. 1984 Text xiv, 369 p. : eng North-Holland mathematics studies ; 88 Annals of discrete mathematics ; 21 North-Holland mathematics studies ; 88. Annals of discrete mathematics ; 21.