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1 heading found for KAC200803928
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Appel, Kenneth I., 1932-2013
Appel, Kenneth, 1932-2013 Appel, Kenneth I., 1932- Appel, Kenneth Kenneth Appel American mathematician Appel, Kenneth I, mathématicien Appel, Kenneth I. |
Personal | Contributions to group theory Contributions to group theory Contributions to group theory Every planar map is four colorable Contributions to group theory Every planar map is four colorable |