Uriel Feige, Daniel Reichman. On Systems of Linear Equations with Two Variables per Equation. In Klaus Jansen, Sanjeev Khanna, José D. P. Rolim, Dana Ron, editors, Approximation, Randomization, and Combinatorial Optimization, Algorithms and Techniques, 7th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2004, and 8th International Workshop on Randomization and Compu. Volume 3122 of Lecture Notes in Computer Science, pages 117-127, Springer, 2004. [doi]
Abstract is missing.