@article{article14f1ba19,
title   = {A better approximation algorithm for finding planar subgraphs},
author = {Calinescu, Gruia and Fernandes, Cristina Gomes and Finkler, Ulrich and Karloff, Howard},
year = {1998},
doi = {10.1006/jagm.1997.0920},
journal   = {Journal of Algorithms}
}