Protogroups Generated by Fuzzy Sets. - K. C. Gupta; Suryansu Ray (Inf. Sci., 1993)

The schnittaxiom and unions of fuzzy subgroups. - K. C. Gupta; Suryansu Ray (Inf. Sci., 1993)

Classification of Fuzzy Subgrpupoids of a Group (I). - Suryansu Ray (Inf. Sci., 1993)

Classification of Fuzzy Subgrpupoids of a Group (II). - Suryansu Ray (Inf. Sci., 1993)

Interaction between the fuzzy subsets and the automorphisms of a group. - Suryansu Ray (Inf. Sci., 1993)

Solvable fuzzy groups. - Suryansu Ray (Inf. Sci., 1993)

Generated and cyclic fuzzy groups. - Suryansu Ray (Inf. Sci., 1993)

Modularity of the Quasi-Hamiltonian Fuzzy Subgroups. - K. C. Gupta; Suryansu Ray (Inf. Sci., 1994)

Modified TL-subgroups of a group. - Suryansu Ray (Fuzzy Sets Syst., 1997)

The lattice of all idempotent fuzzy subsets of a groupoid. - Suryansu Ray (Fuzzy Sets Syst., 1998)

Representation of an MV-algebra by its triangular norms. - Salvatore Sessa 003; Suryansu Ray (Int. J. Approx. Reason., 1998)