CP-violating decays of the pseudoscalars η and η' and their connection to the electric dipole moment of the neutron / T. Gutsche, A. N. Blin, S. Kovalenko [et al.] // Physical Review D. 2017. Vol. 95, № 3. P. 036022-1-036022-9. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000587152