000 00450nam a22001817a 4500
999 _c122815
_d122814
005 20190606092306.0
041 _aEN
082 _223
_a515.72
_bBEA
100 _aBeals,Richard.
245 _aTopics in operator theory
260 _aChicago
_bThe University of Chicago Press
_c1971
300 _ax, 130 p.
500 _aIncludes index
509 _aNS
650 0 _992030
_aOperational calculus
650 0 _992959
_aOperator theory
942 _cS