Alexander Schrijver. Edge-Disjoint Homotopic Paths in Straight-Line Planar Graphs. SIAM J. Discrete Math., 4(1):130-138, 1991.
@article{Schrijver91:1, title = {Edge-Disjoint Homotopic Paths in Straight-Line Planar Graphs}, author = {Alexander Schrijver}, year = {1991}, tags = {planar graph, graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Schrijver91%3A1}, cites = {0}, citedby = {0}, journal = {SIAM J. Discrete Math.}, volume = {4}, number = {1}, pages = {130-138}, }