TY - JOUR AU - R.W. Cross TI - Properties of Some Norm Related Functions of Unbounded Linear Operators. JO - Mathematische Zeitschrift PY - 1988 SP - 285 EP - 302 VL - 199 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1988__199_1_173967/ ID - MZ_1988__199_1_173967 ER -