Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Gülmez, E., Işıldak, B., Kaya, M., Kaya, O., Özkörücüklü, S., Sönmez, N. et al., “Measurement of the B0s to mu+mu- branching fraction and search for B0 to mu+mu- with the CMS experiment”, Physical Review Letters, 111, 10, Article Number: 101804, 2013.