@article{02168677,
title = {Fuzzy multiply positive implicative hyper BCK-ideals of hyper BCK-algebras.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2004},
year = {2004},
pages = {1239-1253},
doi = {10.1155/S0161171204306186},
zbl = {1067.06018},
language = {en},
url = {http://dml.mathdoc.fr/item/02168677}
}
Zhan, Jianming; Xiang, Dajing; Tan, Zhisong. Fuzzy multiply positive implicative hyper BCK-ideals of hyper BCK-algebras.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 1239-1253. doi : 10.1155/S0161171204306186. http://gdmltest.u-ga.fr/item/02168677/