TY  - BOOK
AU  - Gilbarg, David and Trudinger, Neil S.
AU  - Trudinger, Neil S. ; jt. auth.
TI  - Elliptic partial differential equations of second order
T2  - Classics in Mathematics
U1  - 515.35 
PY  - 2001///
CY  - Berlin
PB  - Springer-Verlag
ER  -