@article{CLTM_1991_1991_1_a10,
     author = {L\'opez Acedo, Genaro},
     title = {La f\'ormula del producto.},
     journal = {Collectanea mathematica},
     pages = {157-162},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1991_1991_1_a10/}
}