@article{05304378,
title = {A note on comprehensive backward biorthogonalization.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2006},
year = {2006},
doi = {10.1155/IJMMS/2006/87392},
zbl = {1149.42022},
language = {en},
url = {http://dml.mathdoc.fr/item/05304378}
}
Ruch, David K. A note on comprehensive backward biorthogonalization.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/87392. http://gdmltest.u-ga.fr/item/05304378/