Some criterions for the class number of a real quadratic field of R-D type to be one
A note on the use of generalized inverse of matrices in statistics
Transcendence problems connected with Drinfelʹd modules
Generalization of the set {1,2,5}
Algebraic characterization of some fuzzy topological spaces
Lie algebras with solvable word problem
Presentation of knot groups and their subgroups