000 00354nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a515
082 _b8 PET
100 _aPetrushev P.P
245 0 _aRational Approximation O
260 _aNew York
260 _bCambridge University
260 _c1987
300 _a"x, 371"
999 _c33156
_d33156