- D. V. Anosov, E. V. Zhuzhoma, “Closing lemmas”, Diff Equat, 48, № 13, 2012, 1653
- R. A. Mekhtiev, “Invariants of the homoclinic trajectories of a two-dimensional diffeomorphism”, Math Notes, 89, № 5-6, 2011, 712
- S. V. Gonchenko, D. V. Turaev, “On three types of dynamics and the notion of attractor”, Proc. Steklov Inst. Math., 297, № 1, 2017, 116
- D. Treschev, Encyclopedia of Mathematical Physics, 2006, 535
- Руслан Мехтиев, Ruslan Mekhtiev, “Инварианты гомоклинических траекторий двумерного диффеоморфизма”, Матем. заметки, 89, № 5, 2011, 755