Piaggio, H T H <br/><br/>
Elementary Treatise on Differential Equations and Their Applications 

 - London  G.Bell and Sons  1960 
 - 256p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equation--Mathematics--Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35  / PIA-E