Forsyth, A. R. <br/><br/>
Treatise on differential equations 
A. R. Forsyth 
 - 6th ed. 
 - London  Macmilan  1961 
 - xviii,583p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label> 30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35  / F735