@article{RO_2020__54_5_1309_0,
     author = {Tsai, Wen-Chin and Wang, Chih-Hsiung},
     title = {Optimal production lot size under backup agreement allowing substitute products},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {1309--1326},
     publisher = {EDP-Sciences},
     volume = {54},
     number = {5},
     year = {2020},
     doi = {10.1051/ro/2019047},
     mrnumber = {4111659},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2019047/}
}