@article{01569512,
title = {Mixed },
journal = {Mathematical Problems in Engineering},
volume = {7},
year = {2001},
pages = {557-598},
doi = {10.1155/S1024123X00001484},
zbl = {0968.93026},
language = {en},
url = {http://dml.mathdoc.fr/item/01569512}
}
De Farias, D.P.; De Oliveira, M.C.; Geromel, J.C. Mixed . Mathematical Problems in Engineering, Tome 7 (2001) pp. 557-598. doi : 10.1155/S1024123X00001484. http://gdmltest.u-ga.fr/item/01569512/