GUPTA,A.DAS PRASAD,S.P,RAM SHARMA <br/><br/>
DEGREE LEVEL DIFFERENTAL EQVATION 

 - 1ST 
 - BHARATI BHAWAN PUBLISHERS & DISTRIBUTORS   1987 
 - 168 
<br/><br/> DEGREE 
<br/><br/><label>Dewey Class. No.: </label>515.35  / GUP