@misc{Blok_Aleksandr_Aleksandrovič_(1880–1921)_Dvěnadcat'_1922,
 author={Blok, Aleksandr Aleksandrovič (1880–1921) and Masûtin, Vasil' (1884–1955)},
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={1922},
 publisher={Knigoizdatelʹstvo Neva},
 language={rus},
 title={Dvěnadcat'},
 type={Text},
 URL={http://rcin.org.pl./Content/242237/WA248_279046_K-1093_blok-dwiennadcat_o.pdf},
 keywords={russian poetry - 20th c.},
}