Kim I. E. «Russian spelling on the way from disorder to uniform. Book review: Naumenko S. V. Variativnost’ v russkoy orfografii (18-20 vv.) [Variation in Russian orthography (18th-20th centuries)]. Krasnoyarsk, 2019, 356 p.» // Siberian Journal of Philology 2020. №1 C.321-324