1. A. E. Barabanov, “Canonical factorization and polynomial Riccati equations,” Eur. J. Control, 1, 47–67 (1997).
2. A. E. Barabanov, “Operator approach to H-infinity control of delayed systems,” in: Proc. 37th IEEE Conf. on Decision and Control, Florida, USA, December 16–18 (1998), pp. 291–296.
3. A. E. Barabanov and A. M. Ghulchak, “Operator approach to H ∞ control of linear delayed systems,” in: Proc. Eur. Control Conf., Karlsruhe, Germany, Section DM-1 (1999).
4. Yu. V. Pokornyi, K. P. Lazarev, and T. M. Gareeva, “On nonlocal boundary value problems for ordinary differential equations,” Differ. Uravn. 25, No. 8, 1321–1332 (1989).
5. Yu. V. Pokornyi and O. M. Penkin, “On comparison theorems for equations on graphs,” Differ. Uravn., 25, No. 7, 1141–1150 (1989).