Artur Czumaj, Michelangelo Grigni, Papa Sissokho, Hairong Zhao. Approximation schemes for minimum 2-edge-connected and biconnected subgraphs in planar graphs. In J. Ian Munro, editor, Proceedings of the Fifteenth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2004, New Orleans, Louisiana, USA, January 11-14, 2004. pages 496-505, SIAM, 2004. [doi]
Abstract is missing.