Librook.net has the Russian text in various e-book formats, including .pdf and .txt

http://librook.net/klassicheskaya-proza/dvenadcat-stulev.html

Can we assume that since both authors were dead by 1942, that the original Russian text is now out of copyright and in the public domain? Excuse my ...

I would like suggest a reading of The Twelve Chairs by Ilf and Petrov., published 1928. The two authors died in 1938 and 1942 respectively, so their works should be out of copyright in Europe, though not in the USA.

I'm not sure of the position regarding the various translations. I've seen an ...