@article{GDZPPN002304643, title = {Diagonal Nuclear Maps in Sequence Spaces.}, journal = {Mathematische Annalen}, volume = {193}, year = {1971}, pages = {326-332}, zbl = {0202.13201}, url = {http://dml.mathdoc.fr/item/GDZPPN002304643} }
HOLUB, J.R. Diagonal Nuclear Maps in Sequence Spaces.. Mathematische Annalen, Tome 193 (1971) pp. 326-332. http://gdmltest.u-ga.fr/item/GDZPPN002304643/