Ayres, Frank,  1901- <br/><br/>
Theory and Problems of Differential Equations / 
Frank Ayres 
 - New York  McGraw-Hill,  1952 
 - 296 p. :  il., ;  28 cm. 
 - Schaum's Outline Series) .
<br/><br/> Incluye índice 
<br/><br/><label>ISBN: </label>0070026548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecuaciones diferenciales
<br/><br/><label>LC Class. No.: </label>QA 371  / A974