Reducing the Bullwhip effect in a supply chain network by application of optimal control theoryAli Sabbaghnia, Jafar Razmi, Reza Babazadeh and Behzad MoshiriRAIRO-Oper. Res., 52 4-5 (2018) 1377-1396DOI: https://doi.org/10.1051/ro/2018025