Lyudmila S. Efremova, “Introduction to Completely Geometrically Integrable Maps in High Dimensions”, Mathematics, 11:4 (2023), 926
L. S. Efremova, “Ramified continua as global attractors of C 1 -smooth self-maps of a cylinder close to skew products”, Journal of Difference Equations and Applications, 29:9-12 (2023), 1244
L. S. Efremova, “Simplest Skew Products on $\boldsymbol{n}$-Dimensional ($\boldsymbol{n\geq 2}$) Cells, Cylinders and Tori”, Lobachevskii J Math, 43:7 (2022), 1598
Efremova L.S., “Geometrically Integrable Maps in the Plane and Their Periodic Orbits”, Lobachevskii J. Math., 42:10, SI (2021), 2315–2324
E.N. Makhrova, “On Limit Sets of Monotone Maps on Dendroids”, Applied Mathematics and Nonlinear Sciences, 5:2 (2020), 311
Л. С. Ефремова, “Динамика косых произведений отображений интервала”, УМН, 72:1(433) (2017), 107–192 ; L. S. Efremova, “Dynamics of skew products of interval maps”, Russian Math. Surveys, 72:1 (2017), 101–178
А. С. Фильченков, “Косое произведение на $n$-мерной клетке, имеющее транзитивный $n$-мерный аттрактор, не обладающий свойством полной топологической транзитивности”, Изв. вузов. Матем., 2016, № 6, 91–100 ; A. S. Fil'chenkov, “The skew product on $n$-dimensional cell with transitive but not totally transitive $n$-dimensional attractor”, Russian Math. (Iz. VUZ), 60:6 (2016), 79–87
L. S. Efremova, A. S. Fil'chenkov, “Boundary conditions for maps in fibers and topological transitivity of skew products of interval maps”, Journal of Mathematical Sciences, 208:1 (2015), 109–114
Bel'mesova S.S., Efremova L.S., “On the Concept of Integrability for Discrete Dynamical Systems. Investigation of Wandering Points of Some Trace Map.”, Nonlinear Maps and their Applications, Springer Proceedings in Mathematics & Statistics, Springer Proceedings in Mathematics & Statistics, eds. LopezRuiz R., FournierPrunaret D., Nishio Y., Gracio C., Springer, 2015, 127–158
Lyudmila S. Efremova, Springer Proceedings in Mathematics & Statistics, 57, Nonlinear Maps and their Applications, 2014, 39