TY - JOUR AU - C. L. Dolph TI - Positive real resolvents and linear passive Hilbert systems JO - Annales Fennici Mathematici PY - 1964 VL - 336-344 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1964.336-09/ DO - 10.5186/aasfm.1964.336-09 LA - en ID - AFM_1964_336-344_a15 ER -