Sewell, M. J <br/><br/>
Maximum and minimum principles  a unified approach, with applications 
M.J. Sewell 
 - Cambridge  New York  Cambridge University Press  1987 
 - xvi, 468 p  ill  24 cm 
 - Cambridge texts in applied mathematics  [1] .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0521332443 0521348765 (pbk.) 
<br/><br/><label>LCCN: </label>86020791 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maxima and minima
<br/><br/><label>Dewey Class. No.: </label>511/.66