@article{00847586, title = {When is a 0-1 knapsack a matroid?}, journal = {Portugaliae Mathematica. Nova S\'erie}, volume = {52}, year = {1995}, pages = {475-480}, zbl = {0839.90077}, language = {en}, url = {http://dml.mathdoc.fr/item/00847586} }
Cerdeira, J.Orestes; Barcia, Paulo. When is a 0-1 knapsack a matroid?. Portugaliae Mathematica. Nova Série, Tome 52 (1995) pp. 475-480. http://gdmltest.u-ga.fr/item/00847586/