@article{BSL9_4_Palasinski_Wozniakowska,
author = {Marek PA{\L}ASI{\'N}SKI and Barbara WO{\'Z}NIAKOWSKA},
title = {Finitely Generated Ideals in Directed Commutative $BCK$-Algebra},
journal = {Bulletin of the Section of Logic},
volume = {9},
number = {4},
year = {1980},
pages = {166--169}
}