Media type: E-Article Title: Minimization and maximization versions of the quadratic travelling salesman problem Contributor: Oswin, Aichholzer; Fischer, Anja; Fischer, Frank; Meier, J. Fabian; Pferschy, Ulrich; Pilz, Alexander; Staněk, Rostislav imprint: Informa UK Limited, 2017 Published in: Optimization Language: English DOI: 10.1080/02331934.2016.1276905 ISSN: 0233-1934; 1029-4945 Keywords: Applied Mathematics ; Management Science and Operations Research ; Control and Optimization Origination: Footnote: