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101|0 |▼aeng▼ager
102|  |▼aUSA
110|  |▼aafa    0uu0
200|10|▼aJournal of approximation theory
207| 0|▼av.1 (June 1968)-
210|  |▼aNew York, N.Y.▼cAcademic Press
530|0 |▼aJournal of Approximation Theory
531|  |▼aJ. Approx. Theory
541|1 |▼a（美）近似论杂志
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