@article{PM_1992_1992_1_a37,
     author = {Cohn, Paul M.},
     title = {Comentario sobre los anillos de series de potencias.},
     journal = {Publicacions matem\`atiques},
     pages = {481-484},
     year = {1992},
     volume = {36},
     number = {2A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1992_1992_1_a37/}
}