1. Control theory concepts in production and inventory control;Axsater;Internat J Systems Sci,1985
2. Optimal control of a production inventory system with deteriorating items;Tadj;Internat J Systems Sci,2006
3. Optimal control of a multi-item inventory model;El-Gohary;Int Math Forum,2008
4. Necessary condition for the optimality on multi-item inventory model;Al-babtain;Int Math Forum,2010
5. Optimal control of a two-item inventory system with different types of item deterioration;Alshamrani;Econ Qual Control,2011