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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
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
Efremova L.S., “Small Perturbations of Smooth Skew Products and Sharkovsky'S Theorem”, J. Differ. Equ. Appl., 26:8 (2020), 1192–1211
E.N. Makhrova, “On Limit Sets of Monotone Maps on Dendroids”, 5, no. 2, 2020, 311
L.S. Efremova, “Small C 1-smooth perturbations of skew products and the partial integrability property”, 5, no. 2, 2020, 317
L. S. Efremova, A. D. Grekhneva, V. Zh. Sakbaev, “Phase flows generated by Cauchy problem for nonlinear Schrödinger equation and dynamical mappings of quantum states”, Lobachevskii J. Math., 40:10 (2019), 1455–1469