• Search for production of four top quarks in final states with same-sign or multiple leptons in proton-proton collisions at √s=13 TeV / A. M. Sirunyan, A. Tumasyan, W. Adam [et al.] // The European physical journal C. 2020. Vol. 80, № 2. P. 75 (1-31). URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000795385