Ritt, Joseph Fels,  1893- <br/><br/>
Differential algebra / 
Joseph Fels Ritt. 
 - New York :  American Mathematical Society ,  1950. 
 - viii, 184 p. ;  26cm. 
 - Colloquium publications (American Mathematical Society) ;  v. 33 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>Q 517.38 RIT