Ayres, Frank,   1901-1994 <br/><br/>
Theory and problems of differential equations /  
Frank Ayres. 
 - New York:  McGraw-Hill,  1952 
 - 296 p. 
 - Schaum's Outline Series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECUACIONES DIFERENCIALES-PROBLEMAS<br/>ECUACIONES DIFERENCIALES<br/>DIFFERENTIAL EQUATIONS
<br/><br/><label>Universal Decimal Class. No.: </label>517.9 AY74 EN