A. V. Zaitsevskii, L. V. Skripnikov, A. V. Kudrin, A. V. Oleinichenko, E. Eliav, A. V. Stolyarov, “Electronic transition dipole moments in relativistic coupled-cluster theory: the finite-field method”, Optics and Spectroscopy, 124:4 (2018), 435–440; Optics and Spectroscopy, 124:4 (2018), 451–456
