Kells, Lyman M. <br/><br/>
Elementary differential equations / 
Lyman M. Kells. 
 - 4th ed. 
 - New York :  McGraw-Hill,  1954 
 - x, 266p. ;  24x16cm. 
<br/><br/> Includes answers and index. 
<br/><br/><label>ISBN: </label> : Rs.23.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIFFERENTIAL EQUATIONS
<br/><br/><label>Dewey Class. No.: </label>515.35  / KEL-ELE