机译:Preemptive scheduling on two identical parallel machines with a single transporter
Institut für Statistik und Operations Research, Universit?t Graz, Universit?tsstra?e 15, 8010, Graz, Austria;
School of Computing and Mathematical Sciences, Old Royal Naval College, University of Greenwich, Park Row, Greenwich, London SE10 9LS, UK;
Scheduling with transportation; Parallel machines; Approximation scheme;