Forsyth, A R <br/><br/>
Treatise on differential equations / 
Forsyth, A R 
 - 6 ed. 
 -  Macmillan Co., London,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations; Analysis; Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35 FOR-T6