@article{article729c4818,
title   = {Lower bound for the ground state energy of many particles moving in one dimension},
author = {Coutinho, Francisco Antônio Bezerra and Perez, José Fernando and Malta, Coraci Pereira},
year = {1988},
doi = {10.1088/0305-4470/21/8/020},
journal   = {Journal of Physical a}
}