@article{StephanSpiegelberg2010, author = {Stephan, R{\"u}diger and Spiegelberg, Ingo}, title = {On cardinality constrained polymatroids}, volume = {36}, journal = {Electronic Notes in Discrete Mathematics}, doi = {DOI: 10.1016/j.endm.2010.05.129}, pages = {1017 -- 1024}, year = {2010}, language = {en} } @misc{Spiegelberg2009, type = {Master Thesis}, author = {Spiegelberg, Ingo}, title = {Cardinality Constrained Polymatroids and LP Decoding}, year = {2009}, language = {en} }