@article{CLTM_1978_1978_1_a5,
     author = {G\'omez Pardo, J. L. and  Rodr{\'\i}guez Gonz\'alez, N.},
     title = {c-Prerradicales y preinteriores de una categor{\'\i}a.},
     journal = {Collectanea mathematica},
     pages = {63-84},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1978_1978_1_a5/}
}