Lyudmila S. Efremova, Dmitry A. Novozhilov, “Chain-Recurrent $C^0$- $\Omega$-Blowup in $C^1$-Smooth Simplest Skew Products on Multidimensional Cells”, Regul. Chaotic Dyn., 30:1 (2025), 120–140
Lyudmila Efremova, Springer Proceedings in Mathematics & Statistics, 485, New Developments in Discrete Dynamical Systems, Difference Equations, and Applications, 2025, 119
L. S. Efremova, M. V. Shalagin, “On the asymptotic behavior of the trajectories of skew products with a closed set of periodic points”, jour, 3:3 (2025), 58
René Lozi, Vladimir Belykh, Jim Michael Cushing, Lyudmila Efremova, Saber Elaydi, Laura Gardini, Michał Misiurewicz, Eckehard Schöll, Galina Strelkova, “The paths of nine mathematicians to the realm of dynamical systems”, Journal of Difference Equations and Applications, 30:1 (2024), 1
Lyudmila S. Efremova, “$C^1$-Smooth $\Omega$-Stable Skew Products and Completely Geometrically Integrable Self-Maps of 3D-Tori, I: $\Omega$-Stability”, Regul. Chaotic Dyn., 29:3 (2024), 491–514
Л. С. Ефремова, М. А. Шалагин, “О предельных множествах простейших косых произведений на многомерных клетках”, Известия вузов. ПНД, 32:6 (2024), 796–815
Lyudmila S. Efremova, “Introduction to Completely Geometrically Integrable Maps in High Dimensions”, Mathematics, 11:4 (2023), 926
L. S. Efremova, “Simplest skew products on $n$-dimensional ($n\geq 2$) cells, cylinders and tori”, Lobachevskii J. Math., 43:7 (2022), 1598
Л. С. Ефремова, Е. Н. Махрова, “Одномерные динамические системы”, УМН, 76:5(461) (2021), 81–146 ; L. S. Efremova, E. N. Makhrova, “One-dimensional dynamical systems”, Russian Math. Surveys, 76:5 (2021), 821–881
L. S. Efremova, “Geometrically integrable maps in the plane and their periodic orbits”, Lobachevskii J. Math., 42:10, SI (2021), 2315–2324