@Misc{BVMC:950233,
author = {Tolstoï, Lev Nikolaevich},
author = {Morales San Martín, Bernardo},
title = {El tambor roto. Año 1917},
url = {https://www.cervantesvirtual.com/obra/el-tambor-roto-ano-1917-950233}
}