TY  - DATA
AU  - D. Gilbarg; N. S. Trudinger
TI  - Elliptic Partial Differential Equations of Second Order
SN  - 9783642963797
PY  - 1977///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-642-96379-7
ER  -