- O. V. Lyubimtsev, A. A. Tuganbaev, “Centrally Essential Group Algebras and Classical Rings of Fractions”, Lobachevskii J Math, 42, № 12, 2021, 2890
- Oleg Lyubimtsev, Askar Tuganbaev, “Centrally essential factor rings and subdirect indecomposability”, Communications in Algebra, 52, № 4, 2024, 1614
- O. V. Lyubimtsev, A. A. Tuganbaev, “Centrally Essential Semirings”, Lobachevskii J Math, 43, № 3, 2022, 653
- O. V. Lyubimtsev, A. A. Tuganbaev, “Centrally essential torsion-free rings of finite rank”, Beitr Algebra Geom, 62, № 3, 2021, 615
- O. V. Lyubimtsev, A. A. Tuganbaev, “Centrally essential endomorphism rings of abelian groups”, Communications in Algebra, 48, № 3, 2020, 1249
- A. A. Tuganbaev, “Centrally Essential Rings”, Lobachevskii J Math, 41, № 2, 2020, 280
- O. V. Lyubimtsev, A. A. Tuganbaev, “Local centrally essential subalgebras of triangular algebras”, Linear and Multilinear Algebra, 70, № 13, 2022, 2415
- Askar Tuganbaev, “Centrally Essential Rings and Semirings”, Mathematics, 10, № 11, 2022, 1867