Fuzzy proximity structures and fuzzy ultrafilters

Fuzzy sets

L. A. Zadeh · Information and Control · 1965 · 66.1K citations

Fuzzy topological spaces

C. L. Chang · Journal of Mathematical Analysis and Applications · 1968 · 2.3K citations

Proximity structures and grills

W. J. Thron · Mathematische Annalen · 1973 · 134 citations

Engineering, Civil Engineering, Structural Analysis +4

On fuzzy proximity spaces

A. K. Katsaras · Journal of Mathematical Analysis and Applications · 1980 · 59 citations

Natural Sciences, Computer Science, Mathematics +7

Fuzzy grills and a characterization of fuzzy proximity

K.K Azad · Journal of Mathematical Analysis and Applications · 1981 · 25 citations

Humanities, Decision Sciences, Optimization +6