Some remarks on the development types in word-formation (founded on the study of verbs with the prefix “ob‑” in Russian) M.V. Nefed’ev 1995. №6, 90-95 Keywords derivation prefixes preverbs Russian Username Password Create new accountReset your password Bimonthly (6 issues per year) 160 pp. per issue Founded 1952 ISSN 0373-658X RSCI: IF 2025: 1.099 Scopus: CiteScore 2024: 0.7 SJR 2025: 0.44 Q1