Ayres, Frank, <br/><br/>
Schaum's outline of theory and problems of differential equations / 
by Frank Ayres. 
 - New York :  McGraw Hill,  c1952. 
 - 296 p. ;  28 cm. 
 - Schaum's outline series .
<br/><br/> "Including 560 solved problems, completely solved in detail."  "This book is designed primarily to supplement standard texts in elementary differential equations." 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>MCE
<br/><br/><label>Dewey Class. No.: </label>515.35  / AYR