TY  - DATA
AU  - Bernhard Kawohl
TI  - Rearrangements and Convexity of Level Sets in PDE
T2  - Lecture Notes in Mathematics
SN  - 9783540396390
PY  - 1985///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0075060
ER  -