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) Aleksandr Ometov and Sergey Bezzateev and Niko Mäkitalo and Sergey Andreev and Tommi Mikkonen and Yevgeni Koucheryavy,Multi-Factor Authentication: A Survey,Cryptography,2410-387X,MDPI AG,2018-01-05,2,1,1,https://cir.nii.ac.jp/crid/1364233268244996736,https://doi.org/10.3390/cryptography2010001