TY  - BOOK
AU  - Du Plessis,Nicolaas
TI  - An introduction to potential theory
SN  - 0050020544
PY  - 1970///
CY  - Edinburgh
PB  - Oliver & Boyd
KW  - Potential theory (Mathematics)
KW  - Harmonic functions
KW  - Dirichlet problem
N1  - Bibliography: p. 175
ER  -