four color problem ...
Contributors: Long Island University. Galois Institute of Mathematics.
Publisher: Galois institute of mathematics at Long Island university?
Published: 1936
Place of publication: [Brooklyn, N.Y
Language: eng
Number of pages: 12
Subjects: Cartography.; Topology.
Notes: Mimeographed on one side of page only.

"A lecture given at the Galois institute of mathematics at Long Island university."

Copyright 1936 by H.C.L.R. Lieber.

Bibliography on leaf 3 at end.