Michal Forisek. Approximating Rational Numbers by Fractions. In Pierluigi Crescenzi, Giuseppe Prencipe, Geppino Pucci, editors, Fun with Algorithms, 4th International Conference, FUN 2007, Castiglioncello, Italy, June 3-5, 2007, Proceedings. Volume 4475 of Lecture Notes in Computer Science, pages 156-165, Springer, 2007. [doi]