I. Denysenko, Y. Ban, D. W. Bennett et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2015
M. Ablikim, I. Denysenko, M. N. Achasov et al.|Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields|2015