Dorit S. Hochbaum, Asaf Levin. Covering the Edges of Bipartite Graphs Using ::::K:::: ::2, 2:: Graphs. In Christos Kaklamanis, Martin Skutella, editors, Approximation and Online Algorithms, 5th International Workshop, WAOA 2007, Eilat, Israel, October 11-12, 2007. Revised Papers. Volume 4927 of Lecture Notes in Computer Science, pages 116-127, Springer, 2007. [doi]
Abstract is missing.