@article{EXMATH_1991_1991_1_a1,
     author = {Guti\'errez, Joaqu{\'\i}n M.},
     title = {Caracterizaciones polin\'omicas de espacios de {Banach} que no contienen l1.},
     journal = {Extracta mathematicae},
     pages = {9-11},
     year = {1991},
     volume = {6},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1991_1991_1_a1/}
}