@book{ BA03777062, author = "Avanesov, R. I. (Ruben Ivanovich) and Morakhovskai︠a︡, O. N. and Institut russkogo i︠a︡zyka (Akademii︠a︡ nauk SSSR)", title = "Русские диалекты : лингвогеографический аспект", publisher = "Наука", year = "1987", URL = "https://ci.nii.ac.jp/ncid/BA03777062" }