TY  - BOOK
AU  - Kawohl,Bernhard
TI  - Rearrangements and convexity of level sets in PDE
T2  - Lecture notes in mathematics
SN  - 0387156933
PY  - 1985///
CY  - Berlin , New York 
PB  - Springer-Verlag
KW  - Differential equations, Partial
KW  - Maximum principles (Mathematics)
KW  - Level set methods
N1  - Includes indexes; Bibliography: p. [123]-134
ER  -