Sven O. Krumke. On the approximability of location and network design problems. PhD thesis, Julius Maximilian University of Würzburg, 1997. [doi]
@phdthesis{dnb-4551, title = {On the approximability of location and network design problems}, author = {Sven O. Krumke}, year = {1997}, url = {http://d-nb.info/950763888}, researchr = {https://researchr.org/publication/dnb-4551}, cites = {0}, citedby = {0}, school = {Julius Maximilian University of Würzburg}, }