Rodney G. Downey, Michael R. Fellows, Catherine McCartin. Parameterized Approximation Problems. In Hans Leo Bodlaender, Michael A. Langston, editors, Parameterized and Exact Computation, Second International Workshop, IWPEC 2006, Zürich, Switzerland, September 13-15, 2006, Proceedings. Volume 4169 of Lecture Notes in Computer Science, pages 121-129, Springer, 2006. [doi]
Abstract is missing.