Davvaz Bijan

Krasner Hyperring Theory

Groups And Symmetry

A First Course In Group Theory

Vectors And Functions Of Several Variables

Examples And Problems In Advanced Calculus: Real-Valued Functions

Walk Through Weak Hyperstructures, A

Hypergroup Theory

Examples And Problems In Advanced Calculus: Real-Valued Functions

Polygroup Theory And Related Systems

Fuzzy Algebraic Hyperstructures

Fuzzy Algebraic Hyperstructures

Groups And Symmetry

A First Course In Group Theory

Semihypergroup Theory