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"Matroid 4-Connectivity: A Deletion-Contraction Theorem."
James F. Geelen, Geoffrey P. Whittle (2001)
- James F. Geelen, Geoffrey P. Whittle:
Matroid 4-Connectivity: A Deletion-Contraction Theorem. J. Comb. Theory B 83(1): 15-37 (2001)
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