\(n\)-torsion groups. (English. Russian original) Zbl 1435.20050
J. Contemp. Math. Anal., Armen. Acad. Sci. 54, No. 6, 319-327 (2019); translation from Izv. Nats. Akad. Nauk Armen., Mat. 2019, No. 6, 3-18 (2019).