@article{05493577,
title = {Approximation algorithms for the maximum induced planar and outerplanar subgraph problems.},
journal = {Journal of Graph Algorithms and Applications},
volume = {11},
year = {2007},
pages = {165-193},
zbl = {1161.68879},
language = {en},
url = {http://dml.mathdoc.fr/item/05493577}
}
Morgan, Kerri; Farr, Graham. Approximation algorithms for the maximum induced planar and outerplanar subgraph problems.. Journal of Graph Algorithms and Applications, Tome 11 (2007) pp. 165-193. http://gdmltest.u-ga.fr/item/05493577/