Media type: E-Article Title: A primal-dual approximation algorithm for the Asymmetric Prize-Collecting TSP Contributor: Nguyen, Viet Hung imprint: Springer Science and Business Media LLC, 2013 Published in: Journal of Combinatorial Optimization Language: English DOI: 10.1007/s10878-012-9501-z ISSN: 1573-2886; 1382-6905 Keywords: Applied Mathematics ; Computational Theory and Mathematics ; Control and Optimization ; Discrete Mathematics and Combinatorics ; Computer Science Applications Origination: Footnote: