Hyperons in neutron-star cores and a 2 M⊙ pulsar I. Bednarek, P. Haensel, J. L. Zdunik, M. Bejger and R. Mańka A&A, 543 (2012) A157 Published online: 16 July 2012 DOI: 10.1051/0004-6361/201118560