1. N. N. Krasovskii and A. I. Subbotin, Positional Differential Games (Nauka, Moscow, 1974) [in Russian].
2. A. B. Kurzhanskii, Control and Observation under Uncertainty (Nauka, Moscow, 1977) [in Russian].
3. F. L. Chernous’ko, Estimation of the Phase State of Dynamic Systems (Nauka, Moscow, 1988) [in Russian].
4. A. I. Subbotin and A. G. Chentsov, Guarantee Optimization in Control Problems (Nauka, Moscow, 1981) [in Russian].
5. A. B. Kurzhanski and I. Vályi, Ellipsoidal Calculus for Estimation and Control (Birkhäuser, Boston, 1997).