@article{02012523,
title = {On a certain class of nonstationary sequences in Hilbert space.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2003},
year = {2003},
pages = {1855-1866},
doi = {10.1155/S0161171203201034},
zbl = {1031.47008},
language = {en},
url = {http://dml.mathdoc.fr/item/02012523}
}
Bendoukha, Berrabah. On a certain class of nonstationary sequences in Hilbert space.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 1855-1866. doi : 10.1155/S0161171203201034. http://gdmltest.u-ga.fr/item/02012523/