@article{BSL_2016_45_1_a2,
     author = {Jun, Young Bae and Roh, Eun Hwan and Song, Seok Zun},
     title = {Commutative {Energetic} {Subsets} of {BCK-Algebras}},
     journal = {Bulletin of the Section of Logic},
     year = {2016},
     volume = {45},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BSL_2016_45_1_a2/}
}