TY - JOUR AU - Putnam, R. TI - Hilbert transforms and unitary equivalence JO - Glasgow mathematical journal PY - 1967 SP - 113 EP - 117 VL - 8 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000161/ DO - 10.1017/S0017089500000161 ID - 10_1017_S0017089500000161 ER -