@article{02163679,
title = {The operator },
journal = {Abstract and Applied Analysis},
volume = {2004},
year = {2004},
pages = {625-634},
doi = {10.1155/S1085337504404011},
zbl = {1065.35171},
language = {en},
url = {http://dml.mathdoc.fr/item/02163679}
}
Lasiecka, I.; Triggiani, R. The operator . Abstract and Applied Analysis, Tome 2004 (2004) pp. 625-634. doi : 10.1155/S1085337504404011. http://gdmltest.u-ga.fr/item/02163679/