@article{SchwindlGlockRies, author = {Schwindl, Kurt and Glock, C.H. and Ries, J.M.}, title = {Ordering policy for stock-dependent demand rate under progressive payment scheme}, series = {International Journal of Systems Science}, volume = {46}, journal = {International Journal of Systems Science}, number = {5}, pages = {872 -- 877}, language = {en} } @article{SchwindlGlockRies, author = {Schwindl, Kurt and Glock, C.H. and Ries, J.M.}, title = {A note on: Optimal ordering policy for stock-dependent demand under progressive payment scheme}, series = {European Journal of Operational Research}, volume = {232}, journal = {European Journal of Operational Research}, number = {2}, pages = {423 -- 426}, language = {en} }