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"Edge-disjoint homotopic paths in a planar graph with one hole."
C. P. M. van Hoesel, Alexander Schrijver (1990)
- C. P. M. van Hoesel, Alexander Schrijver:
Edge-disjoint homotopic paths in a planar graph with one hole. J. Comb. Theory B 48(1): 77-91 (1990)
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