Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
On the problem of colouring maps in four colours. - MaRDI portal

On the problem of colouring maps in four colours.

From MaRDI portal

Publication:1435213

Jump to:navigation, search

DOI10.1090/S0002-9904-1929-04828-6zbMath55.0332.02OpenAlexW1986756137WikidataQ29393108 ScholiaQ29393108MaRDI QIDQ1435213

Clarence N. jun. Reynolds

Publication date: 1929

Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9904-1929-04828-6

This page was built for publication: On the problem of colouring maps in four colours.

Retrieved from "https://portal.mardi4nfdi.de/w/index.php?title=Publication:1435213&oldid=13611298"