This work is in the public domain in Russia according to paragraph 1 of article 6 of Law No. 231-FZ of the Russian Federation of December 18, 2006; the Implementation Act for Book IV of the Civil Code of the Russian Federation.
^abAttention! If the author of this work was subjected to repression and rehabilitated posthumously, countdown of copyright protection began not from the death date, but from the rehabilitation date. If the work was first published posthumously, the copyright term is counted from the date of that first publication, unless the author was later rehabilitated, in which case it runs again from that later rehabilitation date.
^If the author published any work after June 21, 1941, assume that he did work during the Great Patriotic War.