1. Hardness of approximating problems on cubic graphs;Alimonti,1998
2. Max-leaves spanning tree is APX-hard for cubic graphs;Bonsma;J. Discrete Algorithms,2012
3. A 3/2-approximation algorithm for finding spanning trees with many leaves in cubic graphs;Bonsma,2008
4. The regenerator location problem;Chen;Networks,2010
5. A 5/3-approximation for finding spanning trees with many leaves in cubic graphs;Correa,2008