Safonova, I.N. and Safonov, V.G. 2020. On some properties of the lattice of totally σ-local formations of finite groups. Journal of the Belarusian State University. Mathematics and Informatics. 3 (Dec. 2020), 6–16. DOI:https://doi.org/10.33581/2520-6508-2020-3-6-16.