Endangered languages an international problem. G.A. Dyrkheyeva Статья в РИНЦ 2008. №6, 139-145 Username Password Create new accountReset your password Bimonthly (6 issues per year) 160 pp. per issue Founded 1952 ISSN 0373-658X RSCI: IF 2021: 0.728 Scopus: CiteScore 2021: 0.5 SJR 2021: 0.254