Relativistic symmetry breaking in light kaonic nuclei Rong-Yao Yang, Wei-Zhou Jiang, Qian-Fei Xiang, Dong-Rui Zhang and Si-Na Wei Eur. Phys. J. A, 50 12 (2014) 188 Published online: 23 December 2014 DOI: 10.1140/epja/i2014-14188-4