Johnson, R M <br/><br/>
Linear differential and difference equations: Systems approach for mathematicians and engineers 

 -   Albion Publishing Ltd., England  1997 
 - 167 
<br/><br/><label>ISBN: </label>3632 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Partial differential equations
<br/><br/><label>Dewey Class. No.: </label>515.353  JOH-L