Ritt, Joseph Fels  1893-1951. <br/><br/>
Theory of functions/ 
Joseph Fels Ritt. 
 - Rev. ed. 
 - New York:  King's Crown Press,  [1947]. 
 - 181 p.:  diagrs.,  28 cm. 
<br/><br/><label>LCCN: </label>a  48000028 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.
<br/><br/><label>Dewey Class. No.: </label>515  / R613t