Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Koji Ohnishi. Towards a brief proof of the Four-Color Theorem without using a computer: theorems to be used for proving the Four-Color Theorem. Artif. Life Robotics, 14(4):551-556, 2009. [doi]
Abstract is missing.