1. Covering planar graphs with forests;Balogh;J. Combin. Theory Ser. B,2005
2. A. Bassa, J. Burns, J. Campbell, A. Deshpande, J. Farley, M. Halsey, S. Michalakis, P.-O. Persson, P. Pylyavskyy, L. Rademacher, A. Riehl, M. Rios, J. Samuel, B. Tenner, A. Vijayasaraty, L. Zhao, D.J. Kleitman, Partitioning a planar graph of girth ten into a forest and a matching, manuscript, 2004
3. Decomposing a planar graph with girth 9 into a forest and a matching;Borodin;European J. Combin.,2008
4. Sur un nouvel invariant des graphes et un critère de planarité;Colin de Verdière;J. Combin. Theory Ser. B,1990
5. Caterpillar arboricity of planar graphs;Gonçalves;Discrete Math.,2007