Efficient Approximation Schemes for Maximization Problems on K<sub>3, 3</sub>-Free Graphs.

Zhi-Zhong Chen Efficient Approximation Schemes for Maximization Problems on K<sub>3, 3</sub>-Free Graphs. 166-187 1998 26 J. Algorithms 1 db/journals/jal/jal26.html#Chen98