Piaggio, H. T. H. <br/><br/>
An elementary treatise on differential equations and their applications / 
by H. T. H. Piaggio. 
 - New ed., rev. and enl. 
 - London :  G. Bell,  1956. 
 - xviii, 256, xxvii p. :  diagrs. ;  21 cm. 
 - Bell's mathematical series.  Advanced section. .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>515.35  / PIA