MacDuffee, Cyrus Colton,  1895- <br/><br/>
Theory of equations/ 
Cyrus Colton MacDuffee. 
 - New York:  Wiley,  [1954]. 
 - 120 p.:  illus.;  24 cm. 
<br/><br/><label>LCCN: </label>54005768 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations, Theory of.
<br/><br/><label>Dewey Class. No.: </label>512.82