@book{oai:toyo-bunko.repo.nii.ac.jp:00007057,
 author = {YAMAZOE, Hiroshi and YAMAZOE, Hiroshi},
 month = {},
 publisher = {Toyo Bunko},
 title = {Chapter 4. Russia’s Eastward Approach to East Asia: The Qing, Japan, and Boundary Issues with Russia},
 year = {2019}
}