@article{YJOR_2021_31_3_a4,
     author = {Rasul Rasuli},
     title = {Norms on {Intuitionistic} {Fuzzy} {Multigroups}},
     journal = {Yugoslav journal of operations research},
     pages = {339 },
     year = {2021},
     volume = {31},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_2021_31_3_a4/}
}