@article{QUE_1990_1990_1_a8,
     author = {Polo Miranda, Carlos and Pepi\'o Vi\~nals, Montserrat},
     title = {Sumas acumuladas conjuntas. {Tablas.}},
     journal = {Q\"uestii\'o},
     pages = {27-41},
     publisher = {mathdoc},
     volume = {14},
     number = {1-2-3},
     year = {1990},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/QUE_1990_1990_1_a8/}
}