Piaggio, H. T. H. <br/><br/>
Differential Equations / 
H. T. H. Piaggio,  
 - London :  G. Bell and Sons, Ltd.  1965 
 - 256 p. :  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations
<br/><br/><label>Dewey Class. No.: </label>517  / PIA 1965