@Book{AST20160000436, title = "Elementos de matem\'{a}ticas", author = "Fern\'{a}ndez Card\'{\i}n, Joaqu\'{\i}n Mar\'{\i}a", publisher = "[Madrid : s. n.]", editor = "s. n.]", URL = "https://bibliotecavirtual.asturias.es/i18n/consulta/registro.cmd?id=3991", year = "1862", }