Zhang, Xiaohong A remark on “Fuzzy BCK-algebras”. (Chinese) Zbl 0900.06017 Math. Appl. 3, No. 4, 107 (1990). Concerns: Huang Wanhui, “Fuzzy BCK-algebra”[ibid. 3, No. 1, 98-99 (1990)]. MSC: 06F35 BCK-algebras, BCI-algebras PDFBibTeX XMLCite \textit{X. Zhang}, Math. Appl. 3, No. 4, 107 (1990; Zbl 0900.06017)