3 citations to https://www.mathnet.ru/rus/im1534

1. L. Golinskii, S. Kupin, J. Leblond, M. Nemaire, Operator Theory: Advances and Applications, 291, From Complex Analysis to Operator Theory: A Panorama, 2023, 609  
2. M. T. Karaev, “On the Riccati equations”, Mh Math, 155:2 (2008), 161        
3. Isabelle Chalendar, Jean Esterle, Development of Mathematics, 1950–2000, 2000, 235