Valuated matroids---a new look at the greedy algorithm.
Dress, Andreas W.M. ; Wenzel, Walter
Séminaire Lotharingien de Combinatoire [electronic only], Tome 21 (1989), / Harvested from The Electronic Library of Mathematics
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Publié le : 1989-01-01
EUDML-ID : urn:eudml:doc:121648 
@article{01667737,
     title = {Valuated matroids---a new look at the greedy algorithm.},
     journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
     volume = {21},
     year = {1989},
     zbl = {0981.05520},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01667737}
}

Dress, Andreas W.M.; Wenzel, Walter. Valuated matroids---a new look at the greedy algorithm.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 21 (1989) . http://gdmltest.u-ga.fr/item/01667737/