TY  - BOOK
AU  - Gram,J.G (ed)
TI  - Numerical solution of partial differential equations: proceedings of the NATO advanced study institute held at kjeller, norway, august 20-24 1973
T2  - Mathematical & physical sciences 4
SN  - 9027704139
PY  - 1973///
CY  - Dordrecht
PB  - D. Reidel 
ER  -