Volume 11, Issue 1-2, 2021
D. E. Tvardovskyi
Third components with elliptical orbits in the eclipsing binaries: AB Cas, AF Gem, AR Boo, BF Vir and CL Aur
M. V. Mohorian, Ya. V. Pavlenko
On the determination of elemental abundances in three stars
V. V. Voitsekhovskyi
Prospects for gamma-ray observations of Hercules cluster