Korte, Bernhard. Combinatorial optimization : Theory and algorithms / by Bernhard Korte and Jens Vygen - New York: Springer Verlag, 1991. - xi, 530p. - Algorithms and combinatorics ; 21 . ISBN: 3540672265 Subjects--Topical Terms: AlgorithmGraphsLinear programmingMath Dewey Class. No.: 511.8 / KOR/C