TY - JOUR AU - Rooney, P. G. TI - A Technique for Studying the Boundedness and Extendability of Certain Types of Operators JO - Canadian journal of mathematics PY - 1973 SP - 1090 EP - 1102 VL - 25 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-116-9/ DO - 10.4153/CJM-1973-116-9 ID - 10_4153_CJM_1973_116_9 ER -