@article{articlec569a1a4,
title   = {Essential idempotents and simplex codes},
author = {Chalom, Gladys and Ferraz, Raul Antonio and Polcino Milies, Francisco César},
year = {2017},
doi = {10.13069/jacodesmath.284931},
journal   = {Journal of Algebra Combinatorics Discrete Structures and Applications}
}