TY - JOUR AU - CH. DAVIS TI - On a Theorem of YAMAMOTO. JO - Numerische Mathematik PY - 1970 SP - 297 EP - 298 VL - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1970__14_131951/ ID - NUMA_1970__14_131951 ER -