Citation: At. Ernst et M. Krishnamoorthy, EXACT AND HEURISTIC ALGORITHMS FOR THE UNCAPACITATED MULTIPLE ALLOCATION P-HUB MEDIAN PROBLEM, European journal of operational research, 104(1), 1998, pp. 100-112
Citation: At. Ernst, CONTINUOUS-TIME QUADRATIC COST FLOW PROBLEMS WITH APPLICATIONS TO WATER DISTRIBUTION NETWORKS, Journal of the Australian Mathematical Society. Series B. Applied mathematics, 37, 1996, pp. 530-548
Citation: Nl. Boland et al., OPTIMAL 2-COMMODITY FLOWS WITH NONLINEAR COST-FUNCTIONS, The Journal of the Operational Research Society, 46(10), 1995, pp. 1192-1207