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Classification: MSC-05C05
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2007

Wang, Ligong and Broersma, H.J. and Hoede, C. and Li, X. and Still, G.J. (2007) Integral trees of diameter 6. Discrete Applied Mathematics, 155 (10). pp. 1254-1266. ISSN 0166-218X *** ISI Impact 0,722 ***

2005

Wang, Ligong (2005) A survey of results on integral trees and integral graphs. Memorandum 1763, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690

2001

Pop, P.C. (2001)
The generalized minimum spanning tree polytope and related polytopes.
Memorandum 1587, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690
Pop, P.C. and Kern, W. and Still, G.J. (2001)
An approximation algorithm for the generalized minimum spanning tree problem with bounded cluster size.
Memorandum 1577, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690

1998

Broersma, H.J. and Li, X. (1998)
Isomorphisms and traversability of directed path graphs.
Memorandum 1433, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690