A note on the unit group of $ZS_4$
Generalization of the set {1,2,5}
Some old and recent arithmetical results concerning modular forms and related zeta functions
Presentation of knot groups and their subgroups
Transcendence problems connected with Drinfelʹd modules
Algebraic characterization of some fuzzy topological spaces
Lie algebras with solvable word problem
A note on the use of generalized inverse of matrices in statistics