Ricardo, Henry <br/><br/>
An introduction to modern differential equations / 
Henry Ricardo 
 - Boston :  Houghton Mifflin ,  2003 
 - xiv,445p. : 
<br/><br/><label>ISBN: </label>EXBLIB3809 
<br/><br/><label>Dewey Class. No.: </label>515.35  / Mo