Linear time approximation schemes for parallel processor scheduling. - Y. Kopidakis; Didier Fayard; Vassilis Zissimopoulos (SPDP, 1996)

On the Task Assignment Problem: Two New Efficient Heuristic Algorithms. - Y. Kopidakis; M. Lamari; Vassilis Zissimopoulos (J. Parallel Distributed Comput., 1997)

An Approximation Scheme for Scheduling Independent Jobs into Subcubes of a Hypercube of Fixed Dimension. - Y. Kopidakis; Vassilis Zissimopoulos (Theor. Comput. Sci., 1997)