TY - JOUR AU - Khatua, Debnarayan AU - De, Anupam AU - Maity, Kalipada AU - Kar, Samarjit TI - Use of ā€œeā€ and ā€œgā€ operators to a fuzzy production inventory control model for substitute items JO - RAIRO. Operations Research PY - 2019 SP - 473 EP - 486 VL - 53 IS - 2 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2017047/ DO - 10.1051/ro/2017047 LA - en ID - RO_2019__53_2_473_0 ER -