Accepted Manuscript Strong multi-commodity flow formulations for the asymmetric traveling salesman problem Ali Balma, Safa Ben Salem, Mehdi Mrad, Talel Ladhari PII: S0377-2217(18)30419-3 DOI: 10.1016/j.ejor.2018.05.021 Reference: EOR 15134 To appear in: European Journal of Operational Research Received date: 26 August 2017 Revised date: 3 March 2018 Accepted date: 10 May 2018 Please cite this article as: Ali Balma, Safa Ben Salem, Mehdi Mrad, Talel Ladhari, Strong multi- commodity flow formulations for the asymmetric traveling salesman problem, European Journal of Operational Research (2018), doi: 10.1016/j.ejor.2018.05.021 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.