Sewell, M. J. <br/><br/>
Maximum and minimum principles :  a unified approach, with applications / 
M.J. Sewell. 
 - Cambridge ;  New York :  Cambridge University Press,  1987. 
<br/><br/><label>ISBN: </label>0521332443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maxima and minima.
<br/><br/><label>LC Class. No.: </label>QA316  / .S35 1987 
<br/><br/><label>Dewey Class. No.: </label>511/.66�19