@article{weko_60108_1,
   author	 = "Kimio,Izawa",
   title	 = "On Optimal Multiprogramming for Computation Centers Having Many Users",
   journal	 = "Information Processing in Japan",
   year 	 = "1975",
   volume	 = "15",
   number	 = "0",
   pages	 = "11--15",
   month	 = "jan"
}