TY  - GEN
AU  - Cats, G.J.
TI  - A method for solving a system of linear equations efficiently in order to optimise the analysis code: operational implementation
T2  - ECMWF Technical Memorandum
VL  - 33
PY  - 1981///
CY  - Reading
PB  - ECMWF
KW  - ANALISE METEOROLOGICA
KW  - IM
ER  -