Piaggio, H.T.H  <br/><br/>
Elemenatary treatise on differential equations: and their ap  

 - CBS publishers and distributors   New Delhi   2003 
 -  95 
<br/><br/><label>ISBN: </label>81-239-0909-8  
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS 
<br/><br/><label>Dewey Class. No.: </label>515.353 PIA