Journal of Mathematical Analysis and Applications · 1968 · 135 citations · 19 references
Natural SciencesComputer ScienceMathematicsGeometryTopologyDirected Acyclic GraphsGraph AlgorithmsGraph TheoryMatroid Theory
19
P. Hall · Journal of the London Mathematical Society · 1935 · 2K citations
On the Abstract Properties of Linear Dependence
Hassler Whitney · American Journal of Mathematics · 1935 · 719 citations
Distinct representatives of subsets
Marshall Hall · Bulletin of the American Mathematical Society · 1948 · 228 citations · Full text
Note on Independence Functions
R. Rado · Proceedings of the London Mathematical Society · 1957 · 205 citations