Duryagin Pavel V. «Incomplete neutralisation as a result of place assimilation of palatalised sibilants at word boundaries in Modern Standard Russian» // Tomsk State University Journal of Philology 2017. №50 C.55-69
Petrosyan Vardan Z. «Diachronic and achronic characteristics of a dull sibilant ս (s) of Old Armenian language» // Siberian Journal of Philology 2022. №3 C.183-195
