TY - JOUR AU - Miller, H. D. B. TI - An Extrapolation Theorem for Positive Operators JO - Canadian journal of mathematics PY - 1978 SP - 225 EP - 230 VL - 30 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-020-6/ DO - 10.4153/CJM-1978-020-6 ID - 10_4153_CJM_1978_020_6 ER -