Comparability graph: Difference between revisions

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Algorithms: grammar
References: fix chapter, add doi
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*{{citation
| last = Urrutia | first = Jorge | author-link = Jorge Urrutia Galicia
| title chapter= Partial orders and Euclidean geometry
| book-title = Algorithms and Order
| editor = [[Ivan Rival|Rival, I.]]
| year = 1989
| publisher = Kluwer Academic Publishers
| pages = 327–436}}.
| doi=10.1007/978-94-009-2639-4}}.
{{refend}}