@article{article45a96776,
title   = {Naked singularities formation in the gravitational collapse of barotropic spherical fluids},
author = {Giambó, Roberto and Giannoni, Fabio and Magli, Giulio and Piccione, Paolo},
year = {2004},
doi = {10.1023/B:GERG.0000022388.11306.e1},
journal   = {General Relativity and Gravitation}
}