TY  - BOOK
AU  - Spencer,D.C (ed)
TI  - Partial differential equations: proceedings of the AMS, University of California, August 9-27, 1971
T2  - Proceedings of symposia in pure mathematics 23
U1  - 10.02 
PY  - 1973///
CY  - Providence
PB  - American Mathematical Society
ER  -