Korte, Bernhard. Lovasz, Laszlo. Schrader, Rainer.
Greedoids - Berlin Springer Verlag 1991 - 211 - Algorithms and Combinatorics, 4 .
3540181903
Greedoids
510.6 KOR
Greedoids - Berlin Springer Verlag 1991 - 211 - Algorithms and Combinatorics, 4 .
3540181903
Greedoids
510.6 KOR