Scott W. Hadley, Franz Rendl, Henry Wolkowicz. Bounds for the Quadratic Assignment Problems Using Continuous Optimization Techniques. In Ravi Kannan, William R. Pulleyblank, editors, Proceedings of the 1st Integer Programming and Combinatorial Optimization Conference, Waterloo, Ontorio, Canada, May 28-30 1990. pages 237-248, University of Waterloo Press, 1990.
Abstract is missing.