Homotopy and crossings of systems of curves on a surface

Additional Metadata
Publisher	CWI
Series	Department of Operations Research and System Theory [BS]
Organisation	Networks and Optimization
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. (1988). Homotopy and crossings of systems of curves on a surface. Department of Operations Research and System Theory [BS]. CWI.

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