Early evolution of the extraordinary Nova Delphini 2013 (V339 Del) A. Skopal, H. Drechsel, T. Tarasova, T. Kato, M. Fujii, F. Teyssier, O. Garde, J. Guarro, J. Edlin, C. Buil et al. (7 more) A&A, 569 (2014) A112 Published online: 01 October 2014 DOI: 10.1051/0004-6361/201424284