Approximation algorithms for the TSP with sharpened triangle inequality

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@article{Bckenhauer2000ApproximationAF, title={Approximation algorithms for the TSP with sharpened triangle inequality}, author={Hans-Joachim B{\"{o}ckenhauer and Juraj Hromkovic and Ralf Klasing and Sebastian Seibert and Walter Unger}, journal={Inf. Process. Lett.}, year={2000}, volume={75}, pages={133-138} }