000 00656nam a2200253Ia 4500
003 OSt
005 20220918231428.0
006 a|||||r|||| 00| 0
007 ta
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024 _a280,598
037 _cTextual
040 _aARTS
_cARTS
_beng
041 _2eng
_aeng
082 _aB43, K7
100 _aButzer Paul L
_9154609
245 0 _aSemi - groups of operators and approximation
260 _c1967
300 _a318p.
_ccm.
650 _aMATHEMATICS
_92141
700 _a Berens Hubert
_9154610
942 _hB43, K7
_cTEXL
_2CC
999 _c291088
_d291088