Vrabie, Ioan I <br/><br/>
Differential equations  : an introduction to basic concepts, results and applications / 

 - 2nd 
 - New Jersey:  World Scientific,  2011 
 - xix, 460p. Bibl. Index 
<br/><br/><label>ISBN: </label>9789814335621 
<br/><br/><label>Dewey Class. No.: </label>515.35  / V978.DE