1. A. P. Markeev, Theoretical Mechanics (Izhevsk, Moscow, 2007) [in Russian].
2. Yu. F. Golubev, Principles of Theoretical Mechanics (Mosk. Gos. Univ., Moscow, 2000) [in Russian].
3. V. V. Dobronravov, Principles of Analytical Mechanics (Vyssh. Shkola, Moscow, 1976) [in Russian].
4. A. Bögen, Doctoral Dissertation (Paris, 1922).
5. V. V. Kozlov, “The dynamics of systems with servoconstraints: 1,” Nelin. Dinam. 11, 353–376 (2015).