“Studying is comparing”: an anniversary as a reason for discussing the problems of contemporary literary studies and literary criticism Book review: Noscere est comparare: Comparative studies in the context of historical poetics: For the anniversary of Igor Shaytanov. Coll. works. editor-in-chief and author of the introductory word O. I. Polovinkina. Moscow, Russian State University for the Humanities, 2017, 496 p.