TY - BOOK AU - Szabados, József AU - Tandori, Károly AU - Conference on Approximation Theory TI - Approximation theory PB - North-Holland PY - 1991 T2 - Colloquia Mathematica Societatis János Bolyai VL - 58 EP - 798 p. UR - http://ci.nii.ac.jp/ncid/BA18656709 SN - 0444986952 SN - 9638022647 ER -