%0 Journal Article %A You, Peng-Sheng %T Optimal times of price reductions for an inventory model with partial backorder and vertical shift demand %J RAIRO - Operations Research - Recherche Opérationnelle %D 2007 %P 35-47 %V 41 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro:2007010/ %R 10.1051/ro:2007010 %G en %F RO_2007__41_1_35_0