Articles about Kenneth Appel
The Colorful Life of the Four-color Theorem: A Tribute to Kenneth Appel (Bailey & Borwein, 2013)
Kenneth I. Appel, Mathematician Who Harnessed Computer Power, Dies at 80 (Overbye, 2013)
The Colorful Life of the Four-color Theorem: A Tribute to Kenneth Appel (Bailey & Borwein, 2013)
Kenneth I. Appel, Mathematician Who Harnessed Computer Power, Dies at 80 (Overbye, 2013)
