Walsh, J.L. <br/><br/>
Interpolation and approximation  by rationalfunctions in the complex domain 
by J.L. Walsh 
 - New York  American Mathematical Society  1905 
 - ix, 382p 
 - American Mathematical Society  Volume XX  Colloquium Publications .
<br/><br/><label>Dewey Class. No.: </label>510  / N05.20