000 00678nam a2200253Ia 4500
003 OSt
005 20220912151529.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a29428
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB43, L02;1
100 _aSinger Ivan
245 0 _aBest approxiamtion in normed linear spaces by elements of linear subspaces
260 _aBerlin
_bSpringer
_c1970
300 _a415p.
_ccm.
650 _a Linear spaces
650 _aFunctional analysis
942 _hB43, L02;1
_cTEXL
_2CC
999 _c70687
_d70687