000 00341nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a471277061
082 _a511
082 _b42 WAT
100 _a"Watson, G.A"
245 0 _aApproximation Theory and
260 _aNew York
260 _bJ.W.S
260 _c1980
300 _a"x, 229"
999 _c28604
_d28604