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) DEMPTER A. P.,Maximum Likelihood from Incomplete Data via the EM Algorithm,Journal of Royal Statistical Society,,,1977,39,,1-22,https://cir.nii.ac.jp/crid/1571980074417508736,