Ayres, Frank <br/><br/>
Theory and Problems of Differential Equations / 
Frank  Ayres 
 - Singapore:  Schaum`S Outline Series,  1972. 
 - 295p 
<br/><br/><label>ISBN: </label>9780070990067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35  / AYR/T