Korte, B. H. Combinatorial optimization : theory and algorithms.- 4thed. / Bernhard Korte, Jens Vygen. - 4th ed. - Berlin : Springer, c2008. - xvii, 627 p. : ill. ; - Algorithms and combinatorics, v. 21 0937-5511 ; . ISBN: 9783540718437 (acidfree paper) 9783540718444 (eISBN) Subjects--Topical Terms: Combinatorial optimization. Universal Decimal Class. No.: 519.112 / KOR