Дементьева, В. И. “On The Reasons of a Wider Functioning of Constructions With the Verbal Form ‘to be’ in Russian Dialects Spoken in the North-Western Area in Comparison With the Rest of Russian Dialects”. Kalbotyra 27, no. 2 (December 1, 1977): 27–37. Accessed May 19, 2024. https://www.journals.vu.lt/kalbotyra/article/view/21792.