TY  - BOOK
AU  - Ladyzhenskaya O A
AU  - Ural'tseva N N
TI  - Linear and quasilinear elliptic equations
U1  - 515.354 
PY  - 1968///
CY  - London
PB  - Academic Press
KW  - Elliptic equations
KW  - Partial differential equations
ER  -