@techreport{HegeStueben1990, author = {Hans-Christian Hege and Hinnerk St{\"u}ben}, title = {Vectorization and Parallelization of Irregular Problems via Graph coloring.}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-90-16}, language = {eng}, year = {1990} }