000 00390nam a2200145Ia 4500
003 LDD
040 _cLDD
082 _a511.4 Si64T
100 _aSinger, Ivan
245 0 _aTheory of best opproximation & Func. analysis
_cIvan Singer
260 _aBurchaxest
_bInstitute of mathematics
_c1974
300 _a95
440 _aRegional
_v conference series in applied mathematics
942 _2ddc
_cG
999 _c6597
_d6597