@article{reimann_zhang_2013,  title={Joint optimization of new production, warranty servicing strategy and secondary market supply under consumer returns},  volume={33},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382013000300001},  DOI={10.1590/S0101-74382013000300001},  number={3},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Reimann, Marc and Zhang, Weihua},  year={2013},  month={Sep},  pages={325–342} }