@article{urn:eudml:doc:44518, title = {Orthogonal bases in 1$\infty$ (X).}, journal = {Collectanea Mathematica}, volume = {35}, year = {1984}, pages = {183-187}, zbl = {0583.46062}, mrnumber = {MR0814358}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44518} }
Martínez-Maurica, Javier; Pérez García, Cristina. Orthogonal bases in 1∞ (X).. Collectanea Mathematica, Tome 35 (1984) pp. 183-187. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44518/