Suborbital graphs for the normalizer of $Gamma_0(N)$
Products and quotients of $(p,sigma)$-absolutely continuous operator ideals
Operations with the periodic decimal expansions
On homogeneous Riemann boundary value problem
A note on intuitionistic sets and intuitionistic points
Application of the residue method to a mixed problem
Weak forms of openness based upon denseness
Certain classes of analytic and multivalent functions with negative coefficients