@article{BSL_2019_48_3_a1,
     author = {Jun, Young Bae and Xin, Xiao Long},
     title = {Complex {Fuzzy} {Sets} with {Application} in {BCK/BCI-Algebras}},
     journal = {Bulletin of the Section of Logic},
     pages = {173--185},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BSL_2019_48_3_a1/}
}