Volume 2 ▶ Number 1 ▷ Number 2 ▷ Number 3 ▷ Number 4
In memoriam: Paul Erdős
Editorial. Page 1
Editorial (PDF, 24 Kb)
A generalization of one Erdös’s problem
Original research paper. Pages 3–4
Stephan Danchev and Krassimir Atanassov
Full paper (PDF, 109 Kb)
Generalized Jacobsthal representation sequence {γn}
Original research paper. Pages 5–11
A. F. Horadam
Full paper (PDF, 215 Kb)
Matrices associated with a class of arithmetical identities
Original research paper. Pages 12–22
Pentti Haukkanen
Full paper (PDF, 343 Kb)
On sequences of compound braids – Some properties and problems
Original research paper. Pages 23–32
A. G. Schaake, W. J. Rogers and J. C. Turner
Full paper (PDF, 872 Kb)
The Twin Problem, according to Hardy–Littlewood
Original research paper. Pages 33–41
Aldo Peretti
Full paper (PDF, 252 Kb) | Abstract
Irrational factor: Definition, properties and problems
Original research paper. Pages 42–44
Krassimir T. Atanassov
Full paper (PDF, 99 Kb)
Note on the equation φ(x) = 2l.q
Original research paper. Pages 45–46
Mladen V. Vassilev-Missana
Full paper (PDF, 82 Kb)
