Two-dimensional hydrodynamic core-collapse supernova simulations with spectral neutrino transport - I. Numerical method and results for a 15 M starR. Buras, M. Rampp, H.-Th. Janka and K. KifonidisA&A, 447 3 (2006) 1049-1092DOI: https://doi.org/10.1051/0004-6361:20053783