TY - JOUR AU - Pal, Brojeswar AU - Adhikari, Subhankar TI - Two phases inventory model with variable cycle length under discount policy JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 1 EP - 18 VL - 54 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018086/ DO - 10.1051/ro/2018086 LA - en ID - RO_2020__54_1_1_0 ER -