00418nam a22001457a 450000500170000000800410001702000180005804100080007608200160008410000520010024500580015226000270021030000080023765000270024520260429160623.0160521b        xxu||||| |||| 00| 0 eng d  a81-203-1139-6  aeng  b3659a511.6  aChristos H. Papadimitriou and Kenneth Steiglitz  aCombinatorial Optimization: Algorithms and Complexity  aNew DelhibPHI, c2003  a486  aInformation Technology