Spherical collapse of supermassive stars: Neutrino emission and gamma-ray bursts F. Linke, J. A. Font, H.-T. Janka, E. Müller and P. Papadopoulos A&A, 376 2 (2001) 568-579 Published online: 15 September 2001 DOI: 10.1051/0004-6361:20010993