TY - JOUR AU - Sternberg, Robert L. TI - A theorem on Hermitian solutions for related matrix differential and integral equations JO - Portugaliae mathematica PY - 1953 SP - 135 EP - 139 VL - 12 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1953__12_4_114724/ LA - en ID - PORMA_1953__12_4_114724 ER -