Lapwood, E.R. <br/><br/>
Ordinary differential equations   
by E.R.Lapwood 
 - Oxford  Pergamon Press  1968 
 - xi, 207p. 
 - Intl. Encyclopedia of Physical Chemistry & Chemical Physics .
<br/><br/><label>LCCN: </label>68-21278 
<br/><br/><label>Dewey Class. No.: </label>515.352  / N681