Fraenkel, L. E. <br/><br/>
An introduction to maximum principles and symmetry in elliptic problems/ 
L.E. Fraenkel. 
 - Cambridge, UK:  New York:  Cambridge University Press,  2000. 
 - x, 340 p.:  ill.;  24 cm. 
 - Cambridge tracts in mathematics;  128 .
<br/><br/>Includes bibliographical references (p. 332-336) and index. 
<br/><br/><label>ISBN: </label>0521461952 
<br/><br/><label>Nat. Bib. No.: </label>GB 97-V6742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Elliptic.<br/>Maximum principles (Mathematics)<br/>Differential equations, Elliptic.--Problems, exercises, etc.<br/>Symmetry.
<br/><br/><label>Dewey Class. No.: </label>515.35  / F799i