Fuzzy groups and group homomorphisms. - Souriar Sebastian; S. Babu Sunder (Fuzzy Sets Syst., 1996)

Fuzzy lattice and function approximation in image processing. - Sasi Gopalan; C. Sheela; Madhu S. Nair; Souriar Sebastian (Int. J. Intell. Syst. Technol. Appl., 2011)