@article{2020sakaguchikarafutohogenutarayoho,
  title = {アイヌ語樺太方言におけるutaraの用法},
  author = {阪口 諒},
  year = {2020},
  language = {ain},
  url = {https://cir.nii.ac.jp/crid/1390584940356790272}
}