@article{01613342,
title = {Some discrete Poincar\'e-type inequalities.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {25},
year = {2001},
pages = {479-488},
doi = {10.1155/S0161171201005403},
zbl = {0984.39001},
language = {en},
url = {http://dml.mathdoc.fr/item/01613342}
}
Cheung, Wing-Sum. Some discrete Poincaré-type inequalities.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 479-488. doi : 10.1155/S0161171201005403. http://gdmltest.u-ga.fr/item/01613342/