00429nam a2200133Ia 4500082002000000100009800020245005800118260003400176300001000210440003800220500000500258653000600263700002600269  a515.72bC748.OT  aConference on "Operator Theory", Dalhousie University, Halifax, Novascotia, April 13-14, 1973  aOperator theory; proceedingsbcEd. by P. A. Fillmore  aBerlinbSpringer-Verlagc1973  a228p.  aLecture notes in Mathematicsv345  a  a   aFillmore, P. A. ; ed.