@article{EXMATH_1988_1988_1_a1,
     author = {Cal Aguado, Jes\'us de la},
     title = {Sobre el teorema de las tres series en teor{\'\i}a de n\'umeros},
     journal = {Extracta mathematicae},
     pages = {49-51},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1988_1988_1_a1/}
}