Algebraic Properties of the Mikusiński Convolution Algebra
The Hajós Property for 2-Groups
Simultaneous Extensions of Topogenities
The Nil Radicals in Several Classes of Lattice-Ordered Rings
Quasi-Normal Spaces and πg-Closed Sets
Classification of Distributions by the Arithmetic Means of Their Fourier Series
On Bisectors in Minkowski Normed Spaces*
On Quotients of Positive Definite Functions
Spaces in Which Countable Closed Sets Have Countable Character
Weakly Sequential Completeness of Banach-Valued Sequence Spaces ℓ p [X],