Text ( visual ) : unmediated Образование языка восточных славян / Ф.П. Филин. -- Изд. 2-e. -- Москва : URSS , c2010. -- 293 p. ; 22 cm. -- (История языков народов Европы). -- Reprint. Originally published: Ленинград : Изд-во АН СССР, 1962 ; Includes bibliographical references. -- ISBN 9785396002180 ; (BB04162912) ; https://ci.nii.ac.jp/ncid/BB04162912 Other Title(s): Obrazovanie i︠a︡zyka vostochnykh slavi︠a︡n. -- Author Heading(s): Filin, Fedot Petrovich. -- Classification(s): LCC : PG407. -- Subject Heading(s): LCSH : Slavic languages, Eastern -- History ; LCSH : Slavs, Eastern -- History