1. Barbashin E. A., Tabueva V. A., [Dynamical systems with a cylindrical phase space], Nauka Publ., Moscow, 1969 (In Russ.), 302 p.
2. Leonov G. A., “A Class of Dynamical Systems with Cylindrical Phase Spaces”, Siberian Mathematical Journal, 17 (1976), 72–90.
3. Krasovskii N. N., Stability of Motion: Applications of Lyapunov’s Second Method to Differential Systems and Equations with Delay, Stanford Univ. Press, Stanford, 1963, 194 p.
4. La Salle J.P., “Stability Theory for Ordinary Differential Equations”, J. Differ. Equat., 4:1 (1968), 57–65.
5. Kayumov O. R., “Asymptotic Stability in the Large in Systems with a Cylindrical Phase Space”, Soviet Math. (Iz. VUZ), 31:10 (1987), 79–82.