Improved limits on the lepton-flavor violating decays tau(-) -> l(-)l(+)l(-) - Aubert, B; Bona, M; Boutigny, D; Karyotakis, Y; Lees, J; Poireau, V; Prudent, X; Tisserand, V; Zghiche, A; Tico, J; Grauges, E; Lopez, L; et al. (Physical Review Letters, 2007)