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→W[P]: someone deleted words from the sentence (i guess not on purpose), I restored the sentence from a previous version from history - Manfred Scheucher |
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|doi=10.1017/9781107415157
|page=528}}
*{{cite book
|last1=Gurevich|first1=Yuri
|last2=Stockmeyer|first2=Larry
|last3=Vishkin|first3=Uzi
|year=1984
|title=Solving NP-hard problems on graphs that are almost trees and an application to facility ___location problems
|publisher=Journal of the ACM
|page=459-473}}
* {{cite book
|first = Rolf
| |||