@inproceedings{inproceedingsee68bde8,
title   = {Excitation energies from ground-state density-fuctionals by means of generator coordinates},
author = {Orestes, Ednilsom and Capelle, Klaus},
year = {2009},
publisher = {Sociedade Brasileira de Física - SBF},
booktitle   = {Encontro Nacional de Física da Matéria Condensada - ENFMC}
}