著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) HIRAYAMA T.,Mean sojourn times of multiclass feedback queues with gated service disciplines,Abstracts of the 1997 Fall National Conference of ORSJ,,Operations Research Society of Japan,1997,,,,https://cir.nii.ac.jp/crid/1574231875321139968,