%0 Journal Article %A Pal, Brojeswar %A Adhikari, Subhankar %T Two phases inventory model with variable cycle length under discount policy %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 1-18 %V 54 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2018086/ %R 10.1051/ro/2018086 %G en %F RO_2020__54_1_1_0