Boyce, William E. <br/><br/>
Elementary differential equations and boundary value problems 

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 - New York  John Wiley  2001 
 - xvi,745p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>0-471-31999-6 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Differential equations  Boundary value problems 
<br/><br/><label>Dewey Class. No.: </label>517.94