@article{ADM_2018_26_1_a6,
     author = {Young Bae Jun and Kyoung Ja Lee and Seok Zun Song},
     title = {Quasi-valuation maps based on positive implicative ideals in {BCK-algebras}},
     journal = {Algebra and discrete mathematics},
     pages = {65--75},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2018_26_1_a6/}
}