Gupta, Ashit, Das ,Prasad,  S.B. and Prasad, Ram Sharan ,  1990, <br/><br/>
Degree level differential eqation 
by Ashit Das Gupta, S.B.Prasad and Ram Sharan Prasad 
 - 2nd rev ed. 
 - Patna:  Bharati Bhawan,  1990. 
 - 168p.:  20cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>DIFFERENTIAL EQATION.
<br/><br/><label>Dewey Class. No.: </label>515.3  / DAS