@article{GAMA_1972_1972_1_a12,
     author = {Ruiz Dom{\'\i}nguez, Manuel},
     title = {Introducci\'on de la integral definida.},
     journal = {Gaceta matem\'atica},
     pages = {198-219},
     publisher = {mathdoc},
     volume = {24},
     number = {7-8},
     year = {1972},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1972_1972_1_a12/}
}