Shlyapnikov, A.A., et al. “A Search for Activity Cycles in the Selected F, G, and K Dwarfs Based on Long-Term Wide-Field Photometric Observations”. Acta Astrophysica Taurica, vol. 3, no. 2, June 2022, pp. 46-49, https://doi.org/10.34898/aat.vol3.iss2.pp46-49.