000 00708nam a2200265Ia 4500
003 OSt
005 20220912150833.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a29704
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB48, M2
100 _aDonner Klaus
245 0 _aExtension of positive operators and korovkin theorems
260 _aBerlin
_bSpringer-Verlag
_c1982
300 _axii, 181p.
_ccm.
490 _aLecture notes in mathematics; 904
650 _a Operational
650 _aPositve operator
942 _hB48, M2
_cTEXL
_2CC
999 _c55868
_d55868