Your PDF has successfully downloaded.
You may be interested in finding more content on these topics:
You are not currently logged in.
Access JSTOR through your library or other institution:
On the Geographical Problem of the Four Colours
A. B. Kempe
American Journal of Mathematics
Vol. 2, No. 3 (Sep., 1879), pp. 193-200
Published by: The Johns Hopkins University Press
Stable URL: http://www.jstor.org/stable/2369235
Page Count: 9