@phdthesis{73581, author = {S.R.M. Barros and T. Kauranne}, title = {Spectral and multigrid spherical Helmholtz equation solvers on distributed memory parallel computers}, year = {1990}, journal = {Fourth Workshop on Use of Parallel Processors in Meteorology, 26-30 November 1990}, pages = {1-27}, month = {1990}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }