The ideological function of G.N. Shvetsov-Vodka is attributed to the manifestations of the administrative function [14, p. 270]. If the witnessing function is widely understood, it becomes obvious that it is inherent in the book. Any book, as well as a document, is first of all the evidence, a confirmation of the existence of activity aimed at its creation. Thus, for a writer, the publication of his book will be a confirmation of his creative activity. Moreover, the book "testifies" not only to the activities of its authors, but also to those of all the persons and institutions involved in its publication. The book also has a legal dimension. The author, editor, editorial board and publishing institution named in the book are responsible for the content of the book, its compliance with the legal norms of society (absence of plagiarism, insinuations, availability of scientifically reliable data, etc.). On the other hand, the Copyright Convention provides legal guarantees to the author