Some old and recent arithmetical results concerning modular forms and related zeta functions
Generalization of the set {1,2,5}
Algebraic characterization of some fuzzy topological spaces
Presentation of knot groups and their subgroups
Some criterions for the class number of a real quadratic field of R-D type to be one
Lie algebras with solvable word problem
A note on the unit group of $ZS_4$
A note on the use of generalized inverse of matrices in statistics