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"Improving Spanning Trees by Upgrading Nodes."
Sven Oliver Krumke et al. (1997)
- Sven Oliver Krumke, Madhav V. Marathe, Hartmut Noltemeier, R. Ravi, S. S. Ravi, Ravi Sundaram, Hans-Christoph Wirth:
Improving Spanning Trees by Upgrading Nodes. ICALP 1997: 281-291
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