The Heawood map coloring conjecture
By: [by] J. W. T. Youngs.
Series: Rand Corporation. Memorandum RM-4752-PR
Publisher: Rand Corp.
Published: 1966
Place of publication: Santa Monica, Calif
Language: eng
Number of pages: 79
Subjects: Graph theory.; Algebraic topology.; Map coloring problem.
Notes: References": p. 79.
"Research ... sponsored by the United States Air Force under Project Rand--contract no. AF49 (638)-1700."