@article{DBLP:journals/amc/SajadifarH07,
  author    = {S. M. Sajadifar and
               R. Haji},
  title     = {Optimal solution for a two-level inventory system with information
               exchange leading to a more computationally efficient search},
  journal   = {Applied Mathematics and Computation},
  volume    = {189},
  number    = {2},
  year      = {2007},
  pages     = {1341-1349},
  ee        = {http://dx.doi.org/10.1016/j.amc.2006.12.019},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}