Kenneth Appel

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Every Planar Map Is Four Colorable978-O-8218-51O3-6
(O-8218-51O3-9)
1989Wolfgang Haken

k.A. · Kenneth A. · Kenneth I. Appel · Kenneth J. Appel

Kenneth Appelbaum MD