On fuzzy rings

Fuzzy sets

L. A. Zadeh · Information and Control · 1965 · 64.9K citations

Fuzzy groups

Azriel Rosenfeld · Journal of Mathematical Analysis and Applications · 1971 · 1.3K citations

Fuzzy invariant subgroups and fuzzy ideals

Liu Wang-jin · Fuzzy Sets and Systems · 1982 · 546 citations

Fuzzy Logic, Fuzzy Modeling, Fuzzy Computing +2

Fuzzy groups and level subgroups

Pritam Das · Journal of Mathematical Analysis and Applications · 1981 · 376 citations

Fuzzy Logic, Fuzzy Computing, Fuzzy Mathematics +2

Fuzzy vector spaces and fuzzy topological vector spaces

A. K. Katsaras, Dehai Liu · Journal of Mathematical Analysis and Applications · 1977 · 296 citations

Fuzzy Logic, Engineering, Fuzzy Vector Spaces +4