@Article{BVMC:908836,
author = {Díaz, Raúl José},
title = {El jaque perpetuo},
journal = {Boletín Cultural y Bibliográfico. Vol. 28, Núm. 26 (1991)},
url = {https://www.cervantesvirtual.com/obra/el-jaque-perpetuo-908836}
}