Determination of the ratio of b-quark fragmentation fractions fs/fd in pp collisions at √s = 7 TeV with the ATLAS detector / G. Aad, B. Abbott, J. Abdallah [et.al.] // Physical Review Letters. 2015. Vol. 115, № 26. P. 262001-1-262001-18. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000533193