000 00288nam a2200121Ia 4500
008 230413s9999||||xx |||||||||||||| ||und||
082 _a47HA
100 _aHalmos, Paul Richard
245 2 _aA Hilbert space problem book
260 _bD. Van Nostrand Co
260 _c1967
942 _cBooks
999 _c1918
_d1918