1. G. N. Duboshin, “Stability of Motion under Time-Varying Perturbations,” Tr. Sternberg Astron. Inst., Moscow State Univ. 14(1), 153–164 (1940).
2. A. I. Lur’e and V. N. Postnikov, “The Theory of Stability for Controlled Systems,” Prikl. Mat. Mekh. 8(3), 246–248 (1944).
3. M. R. Liberzon, “Essays on the Absolute Stability Theory,” Avtom. Telemekh., No. 10, 86–119 (2006) [Autom. Rem. Contr. 67 (10), 1610–1644 (2006)].
4. V. V. Aleksandrov, G. Yu. Sidorenko, and R. Temoltzi-Auila, “Robust Stability of Control Systems,” in Analytical Mechanics, Stability, and Control (Kazan Gos. Univ., Kazan, 2012), Vol. 2, pp. 45–52.
5. I. G. Malkin, Theory of Motion Stability (Nauka, Moscow, 1966) [in Russian].