Ahmet Tekcan, Osman Bizim:
The connection between quadratic forms and the extended modular group
P. Balasubramani:
Characterizations of the $0$-distributive semilattice
Miroslav Fiedler:
Remarks on the Sherman-Morrison-Woodbury formulae
Ladislav Nebesky:
Hamiltonian colorings of graphs with long cycles
Pavel Krejci:
The Kurzweil integral with exclusion
of negligible sets
Zuzana Dosla, Denisa Skrabakova:
Phases of linear difference equations and symplectic systems
X. N. Luo, Yong Zhou, C. F. Li:
Oscillation of a nonlinear difference equation with several delays
Ivan Chajda:
Generalized deductive systems
in subregular varieties