Schoenberg, I J,  <br/><br/>
Approximations with special emphasis on spline functions 
I J Schoenberg  
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 - Academic Press, New York  1969 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximations -- expansions-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.4  SCH-A;1