TY  - BOOK
AU  - Hackbusch Wolfgang
TI  - Elliptic differential equations: Theory and nuberical treatment
T2  - Springer series in computational  mathematics 18
SN  - 9783662549605 (HBK)
U1  - B392L8, Q7 
PY  - 2017///
CY  - Germany
PB  - Springer       
KW  -  Poisson equatino
KW  -  Potential equation
KW  -  Variational formulation
KW  - Mathematics
N1  - References 429-442p.; Index449-455p
ER  -