2 citations to https://www.mathnet.ru/rus/ljour5

1. A. V. Kudinov, “Topological Product of Modal Logics with the McKinsey Axiom”, Dokl. Math., 2024  
2. A. V. Kudinov, “Topological product of modal logics with McKinsey axiom”, Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ, 515:1 (2024), 84