TY  - RPRT
TI  - Conjugate gradient coupled with multigrid for an indefinite problem
AU  - Gozani, J.
AU  - Nachshon, A.
AU  - Turkel, E.
PY  - 1984
UR  - https://ntrs.nasa.gov/citations/19840021489
ID  - 19840021489
ER  -