Ayres, Frank <br/><br/>
Schaum's outline of theory and problems of differential equations 

 -  Schaum Publishing Co., New York  1950 
 - 293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations; Analysis; Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35  AYR-S