1. R. Bellman, Introduction to Matrix Analysis, McGraw-Hill Book Company, New York (1960).
2. V. P. Derevenskii, “Matrix Bernoulli equations. I,” Izv. Vyssh. Uchebn. Zaved., Ser. Mat., No. 2, 14–23 (2008).
3. A. A. Boichuk and S. A. Krivosheya, “A critical periodic boundary value problem for a matrix Riccati equations,” Different. Equat., 37, No. 4, 464–471 (2001).
4. S. M. Chuiko, "Green's operator of a generalized matrix differential-algebraic boundary-value problem," Sib. Mat. Zh., 56, No. 4, 942-951 (2015)
5. English translation: Sib. Math. J., 56, No. 4, 752-760 (2015).