2 citations to https://www.mathnet.ru/rus/timm1187

1. E. K. Kostousova, “State estimates of bilinear discrete-time systems with integral constraints through polyhedral techniques”, IFAC-PapersOnLine, 51:32 (2018), 245–250    
2. V. Ukhobotov, I. Izmest'ev, “Quasilinear Problems of Impulse Control Under Interference”, Proceedings of 2016 International Conference Stability and Oscillations of Nonlinear Control Systems (Pyatnitskiy's Conference), ed. V. Tkhai, IEEE, 2016