TY  - DATA
AU  - R.P. Gilbert
TI  - Constructive Methods for Elliptic Equations
T2  - Lecture Notes in Mathematics
SN  - 9783540379539
PY  - 1974///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0064475
ER  -