@article{urn:eudml:doc:38495, title = {Suitable norms for simultaneous approximation.}, journal = {Extracta Mathematicae}, volume = {11}, year = {1996}, pages = {485-488}, zbl = {0883.41011}, mrnumber = {MR1456547}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38495} }
Benítez, Carlos; Fernández, Manuel; Soriano, María L. Suitable norms for simultaneous approximation.. Extracta Mathematicae, Tome 11 (1996) pp. 485-488. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38495/