Partial differential equations and calculus of variations 
S. Hildebrandt, R. Leis (eds.). 
 - Berlin  Springer-Verlag  1988 
 - vi, 423 pages :  illustration ;  24 cm. 
 - Lecture notes in mathematics  1357 .
<br/><br/><label>ISBN: </label>3540505083 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial