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Every Planar Map is Four Colorable 4Z12KR82BE

URIm2://res/4Z12KR82BE
Kindmonograph
CreatorsKenneth Appel, Wolfgang Haken
Date1989
MSC05C15
Scopein

Expressions

e1: edition

Languageen
Date1989
IdsDOI 10.1090/conm/098, zbl 0681.05027, zbl_id 44210

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