@article{04099687, title = {Linear and Riccati matrix equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {131-136}, doi = {10.1155/S0161171289000189}, zbl = {0672.34001}, language = {en}, url = {http://dml.mathdoc.fr/item/04099687} }
Williams, Lloyd K. Linear and Riccati matrix equations.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 131-136. doi : 10.1155/S0161171289000189. http://gdmltest.u-ga.fr/item/04099687/