TY  - BOOK
AU  - Ven,Guo Chun
AU  - Begehr,Heinrich G.W.
TI  - Boundary Value Problems for Elliptic Equations and Systems
SN  - 0582031591
PY  - 1990///
CY  - Essex
PB  - Longman Scientific & Technical
N1  - bibliogr
ER  -