TY - JOUR AU - Dash, A. T. TI - Positive Definite Sequence of Operators and a Fixed Point Theorem JO - Canadian mathematical bulletin PY - 1972 SP - 295 EP - 295 VL - 15 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-054-3/ DO - 10.4153/CMB-1972-054-3 ID - 10_4153_CMB_1972_054_3 ER -