00559nam a2200181Ia 4500 511.5 C559.EG Chung, Fan and Graham, Ron Erdo's on graphs his legacy of unsolved problems Massachusetts A.K. Peters 1998 xiii, 142p. Index. "Purchased under NBHM grant for the year 1998-99" Graham, Ron ; jt auth. 0 0 0 0 ISI ISI 1999-12-01 HBA 134400.00 0 511.5 C559.EG DP24054 2019-02-14 00:00:00 2019-02-14 BK Ord num:514; Ord dt:1999-04-26 "This book is dedicated to Paul Erdos, March 26, 1913 to Sept. 20, 1996" 18672 18672 18672