000 00280nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aErwin Kreyszing
245 0 _aIntroductory Functional Analysis with Application
260 _aN.D.
_bWiley
_c2017
650 _aMath
942 _cBK
999 _c15581
_d15581