TY  - RPRT
TI  - The improved robustness of multigrid elliptic solvers based on multiple semicoarsened grids
AU  - Naik, Naomi H.
AU  - Vanrosendale, John
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19920001130
ID  - 19920001130
ER  -