1.
Ivanov I. A method for solving the spectral problem of Hamiltonian matrices with application to the algebraic Riccati equation. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2000 Dec. 12 [cited 2024 Nov. 22];92:105-21. Available from: https://annual.uni-sofia.bg/index.php/fmi/article/view/258