%0 Journal Article %A Maity, Suman %A Chakraborty, Avishek %A De, Sujit Kumar %A Mondal, Sankar Prasad %A Alam, Shariful %T A comprehensive study of a backlogging EOQ model with nonlinear heptagonal dense fuzzy environment %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 267-286 %V 54 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2018114/ %R 10.1051/ro/2018114 %G en %F RO_2020__54_1_267_0