TY  - BOOK
AU  - Plessis,Nicolaas Du
TI  - An introduction to potential theory
SN  - 0050020544 :
U1  - 517 
PY  - 1970///
CY  - Edinburgh
PB  - Oliver & Boyd
KW  - Potential theory (Mathematics)
KW  - Harmonic analysis
N1  - Includes bibliographical references and index
ER  -