Ayres, Frank <br/><br/>
Theory and problems of differential equations 

 -  Mc Graw Hill  1981 
 - 295 
<br/><br/><label>ISBN: </label> 225.55 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHS
<br/><br/><label>Dewey Class. No.: </label>515.35  / AYR