@book{ BA27732422, author = "Jelavich, Charles", title = "Tsarist Russia and Balkan nationalism : Russian influence in the internal affairs of Bulgaria and Serbia, 1879-1886", publisher = "University of California Press", year = "1958", series = "Russian and East European studies", number = "", URL = "https://ci.nii.ac.jp/ncid/BA27732422" }