TY  - RPRT
TI  - Spectral multigrid methods for elliptic equations
AU  - Zang, T. A.
AU  - Wong, Y. S.
AU  - Hussaini, M. Y.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19810025345
ID  - 19810025345
ER  -