The Heawood map-coloring problem : cases 1, 7, and 10 /

Bibliographic Details

Main Author:	Youngs, J. W. T.
Corporate Author:	Rand Corporation
Format:	Book
Language:	English
Published:	Santa Monica, Calif. : Rand Corporation, [1969]
Series:	Memorandum (Rand Corporation) ; RM-5994/1-PR.
Subjects:	Four-color problem.