TY  - BOOK
AU  - Clements, David L.
TI  - BOUNDARY VALUE PROBLEMS GOVERNED BY SECOND ORDER ELLIPTIC SYSTEMS
U1  - 515.35 
PY  - 1981///
CY  - Boston
PB  - Pitman
KW  - Boundary Value Problems
KW  - Differential Equations, Illiptic
N1  - Bibliography : P. 158-160
ER  -