@article{article71b54499,
title   = {Density-functional study of the Mott gap in the Hubbard model},
author = {Lima, Neemias Alves de and Oliveira, Luiz Nunes de and Capelle, Klaus},
year = {2002},
doi = {10.1209/epl/i2002-00261-y},
journal   = {Europhysics Letters}
}