Piaggio, Henry Thomas Herbert,  1884- <br/><br/>
An elementary treatise on differential equations and their applications 

 - New ed. 
 - London :  G. Bell and Sons,  1960 
 - xviii, 256 p. :  diagrs. ;  22 cm. 
<br/><br/><label>LCCN: </label>30-007410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations