@article{02220759,
title = {The second-order self-associated orthogonal sequences.},
journal = {Journal of Applied Mathematics},
volume = {2004},
year = {2004},
pages = {137-167},
doi = {10.1155/S1110757X04402058},
zbl = {1090.42014},
language = {en},
url = {http://dml.mathdoc.fr/item/02220759}
}
Maroni, P.; Tounsi, M.Ihsen. The second-order self-associated orthogonal sequences.. Journal of Applied Mathematics, Tome 2004 (2004) pp. 137-167. doi : 10.1155/S1110757X04402058. http://gdmltest.u-ga.fr/item/02220759/