QUESTIONS OF "THEORY OF ART" IN SERGEI YESENIN''S LETTERS OF 1920-1922 YEARS
The focus of this article is selected letters written by S.A. Esenin in 19201922, which regarded as preparatory material for the book "Verbal ornamentation." The authors hypothesized on the shift of Yesenin's focus from the conceptual foundations of the artistic world view, which determined the identity of the author's theory of art in the "The Mary's Keys" to the creative aspects of the literary form, which received important meaning in the orbit of poet's changing perceptions about the literary art