Direct and Inverse Theorems for Multidimensional Spline Approximation
M. MunteanuLarry Schumaker
Indiana University Mathematics Journal
1974
text
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10.1512/iumj.1974.23.23040
10.1512/iumj.1974.23.23040
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Indiana Univ. Math. J. 23 (1974) 461 - 470
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