- Fernando de Teran; Froilan M. Dopico
*Consistency and efficient solution of the Sylvester equation for *-congruence,*

Electron. J. Linear Algebra 22 (2011), 849-863. - Andrii Dmytryshyn, Bo Kagstrom and Vladimir V. Sergeichuk
*Symmetric matrix pencils: codimension counts and the solution of a pair of matrix equations.*

Electron. J. Linear Algebra 27 (2014) pp. 1-18.