Ricardo, Henry <br/><br/>
An introduction to modern differential equations 
Henry Ricardo 
 - Boston  Houghton Mifflin  2003 
 - xiv, 445 p. : ill. ; 26 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780618042395 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35 RIC