@Book{BDCM20214318111, title = "Les fr\`{e}res le Nain", author = "Valabr\`{e}gue, Antony, 1844-1900", publisher = "Paris : Librairie de l\textquotesingle Art Ancien et Moderne", editor = "Librairie de l\textquotesingle Art Ancien et Moderne", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=471569", year = "1904", }