A. Faessler, M. Gonzales, S. Kovalenko, F. Šimkovic, "Arbitrary mass Majorana neutrinos in neutrinoless double beta decay", Phys. Rev. D 90, 096010 (2014)
J. Engel, F. Šimkovic, P. Vogel, "Chiral two-body currents and neutrinoless double-β decay in the quasiparticle
random-phase approximation", Phys. Rev. C 89, 064308 (2014)
S. Kovalenko, M. Krivoruchenko, F. Šimkovic, "Neutrino propagation in nuclear medium and neutrinoless double-beta decay. ", Phys. Rev. Lett. 112, 142503 (2014)
D. Štefánik, F. Šimkovic, "", Rom. J. Phys. 58, 1251-1257 (2013)
F. Šimkovic, V. Rodin, A. Faessler, P. Vogel, "0νββ and 2νββ nuclear matrix elements, quasiparticle random-phase approximation, and isospin symmetry restoration", Phys. Rev. C 87, 045501 (2013)
F. Šimkovic, S. Bilenky, A. Faessler, T. Gutsche, "Possibility of measuring the CP Majorana phases in neutrinoless double-beta decay", Phys. Rev. D 87, 073002 (2013)
F. Šimkovic, "Theory of Neutrinoless Double Beta Decay—A Brief Review", Physics of Particles and Nuclei Letters 10, 647–656 (2013)
D. Štefánik, F. Šimkovic, K. Muto, A. Faessler, "Two-neutrino double-β decay Fermi transition and two-nucleon interaction", Phys. Rev. C 88, 025503 (2013)