@techreport{BrandtBrandt1995, author = {Andreas Brandt and Manfred Brandt}, title = {On the Sojourn Times for Many-Queue Head-of-the-Line Processor-Sharing Systems with Permanent Customers}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-95-34}, language = {eng}, year = {1995} }