Measurement of the correlation between the polar angles of leptons from top quark decays in the helicity basis at √s = 7 TeV using the ATLAS detector / G. Aad, B. Abbott, J. Abdallah [et.al.] // Physical Review D. 2016. Vol. 93, № 1. P. 012002-1-012002-23. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000622051