@article{05728500,
title = {A Leontief-type input-output inclusion.},
journal = {Mathematical Problems in Engineering},
volume = {2010},
year = {2010},
doi = {10.1155/2010/572451},
zbl = {1211.91089},
language = {en},
url = {http://dml.mathdoc.fr/item/05728500}
}
Liu, Yingfan; Zhang, Qinghong. A Leontief-type input-output inclusion.. Mathematical Problems in Engineering, Tome 2010 (2010) . doi : 10.1155/2010/572451. http://gdmltest.u-ga.fr/item/05728500/