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Author: Neggers, J.

• Neggers, J.; Jun, Young Bae; Kim, Hee Sik: On $L$-fuzzy ideals in semirings. II. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 1, pp. 127-133
• Jun, Young Bae; Neggers, J.; Kim, Hee Sik: On $L$-fuzzy ideals in semirings. I. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 669-675