@article{PM_1989_1989_1_a30,
     author = {Hilton, Peter J. and Hooper, Jennifer and Pedersen, Jean},
     title = {Sobre el car\'acter b\'asico de las clases de residuo.},
     journal = {Publicacions matem\`atiques},
     pages = {213-225},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1989_1989_1_a30/}
}