TY  - BOOK
AU  - Bitsadze,A.V.
TI  - Boundary value problems for second order elliptic equations
PY  - 1968///
CY  - Amsterdam
PB  - North-Holland Publishing Co.
KW  - Differential equations, Elliptic
KW  - Boundary value problems
N1  - p. 203-208
ER  -