Two dimensional fuzzy regular languages. - A. John Kaspar; D. K. Sheena Christy; V. Masilamani; D. Gnanaraj Thomas (Fuzzy Sets Syst., 2022)

Array generating fuzzy petri nets and rectangular picture languages. - A. John Kaspar; D. K. Sheena Christy; D. K. Shirley Gloria (J. Intell. Fuzzy Syst., 2023)

Two dimensional fuzzy context-free languages and tiling patterns. - A. John Kaspar; D. K. Sheena Christy; V. Masilamani; D. Gnanaraj Thomas (Fuzzy Sets Syst., 2024)