Khanna, M.L. <br/><br/>
Differential equations 

 - Meerut  Jai prakash nath & com  1977 
 - p. 516 
<br/><br/><label>Subjects--Index Terms: </label>Mathmatics;Mathmatical analysis 
<br/><br/><label>Dewey Class. No.: </label>515.3