This work is in the public domain
. It was either published before January 1, 1943 (Article 1281 of the Russian Civil Code, Part 4), or
the creator (if known) died before June 22, 1941 (Article 6 of Federal Law 231-FZ from December 18, 2006).
In addition, a Russian or Soviet work that is in the public domain in Russia according is in the public domain in the U.S. only if it was in the public domain in Russia in 1996, and no copyright was registered in the U.S. (This is the combined effect of Russia's joining the Berne Convention in 1995, and of 17 USC 104A with its critical date of January 1, 1996.)