Piaggio, H. T. H. <br/><br/>
An elementary treatise on differential equations and their applications / 
H. T. H. Piaggio 
 - London :  G. Bell and Sons,  1971 
<br/><br/><label>ISBN: </label>0713508515 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations
<br/><br/><label>Dewey Class. No.: </label>517  / PIA