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Citation: Re. Burkard et al., Linear approximations in a dynamic programming approach for the uncapacitated single-source minimum concave cost network flow problem in acyclic networks, J GLOB OPT, 19(2), 2001, pp. 121-139

Authors: Burkard, RE Dollani, H Lin, YX Rote, G

Citation: Re. Burkard et al., The obnoxious center problem on a tree, SIAM J DISC, 14(4), 2001, pp. 498-509

Authors: Burkard, RE Dollani, H

Citation: Re. Burkard et H. Dollani, Robust location problems with Pos/Neg weights on a tree, NETWORKS, 38(2), 2001, pp. 102-113

Authors: Burkard, RE Cela, E Dollani, H

Citation: Re. Burkard et al., 2-medians in trees with pos/neg weights, DISCR APP M, 105(1-3), 2000, pp. 51-71