TY - JOUR AU - X.-Q. Liu AU - J.-Y. Rong TI - On Hermitian Nonnegative-Definite Solutions to Matrix Equations JO - Matematičeskie zametki PY - 2009 SP - 470 EP - 475 VL - 85 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_3_a14/ LA - ru ID - MZM_2009_85_3_a14 ER -