Hadas Shachnai, Tami Tamir. Polynominal time approximation schemes for class-constrained packing problem. In Klaus Jansen, Samir Khuller, editors, Approximation Algorithms for Combinatorial Optimization, Third International Workshop, APPROX 2000, Saarbrücken, Germany, September 5-8, 2000, Proceedings. Volume 1913 of Lecture Notes in Computer Science, pages 238-249, Springer, 2000. [doi]
Abstract is missing.