Homotopy and crossings of systems of curves on a surface

Additional Metadata
Publisher	North-Holland
Journal	Linear Algebra and its Applications
Organisation	Combinatorial Optimization and Algorithmics
Citation APA Style AAA Style APA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	Schrijver, L. (1989). Homotopy and crossings of systems of curves on a surface. Linear Algebra and its Applications, 114, 157–167.

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