TY  - BOOK
AU  - Gilbert, Robert P. and Buchanan, James L.
AU  - Buchanan, James L. ; jt. auth.
TI  - First order elliptic systems; a function theoretic approach
T2  - Mathematics in Science and Engineering
U1  - 515.35 
PY  - 1983///
CY  - New York
PB  - Academic Press
ER  -