suffixes of imperfectivization
Maria N. Sheveleva. Once more on the prefixless iterative -yva-/-iva-verbs like хаживать in the history of Russian
RJANO. 2012. № 1 (23), Pages. 140 - 178
ISSN 1681-1062 (print)
ISSN 2658-5022 (online)