Spectroscopic confirmation of high-redshift supernovae with the ESO VLT C. Lidman, D. A. Howell, G. Folatelli, G. Garavini, S. Nobili, G. Aldering, R. Amanullah, P. Antilogus, P. Astier, G. Blanc et al. (37 more) A&A, 430 3 (2005) 843-851 Published online: 26 January 2005 DOI: 10.1051/0004-6361:20041504