@article{urn:eudml:doc:43504,
title = {De Progresionibus.},
journal = {Gaceta Matem\'atica},
volume = {26},
year = {1974},
pages = {199-201},
language = {es},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:43504}
}
García Pradillo, Julio. De Progresionibus.. Gaceta Matemática, Tome 26 (1974) pp. 199-201. http://gdmltest.u-ga.fr/item/urn:eudml:doc:43504/