中国科学院数学与系统科学研究院期刊网
The decision of optimal economic production lot based on periodic imperfect preventive maintenance
LU Zhen, GUO Qiaoshun, XU Jian
Systems Engineering - Theory & Practice . 2017, (10): 2621 -2629 .  DOI: 10.12011/1000-6788(2017)10-2621-09