@article{stefanik2013neutrino,
  author = {{\v{S}}tef{\'a}nik, D. and {\v{S}}imkovic, F. and Muto, K. and Faessler, A.},
  title = {Two-neutrino double-beta decay Fermi transition and two-nucleon interaction},
  journal = {Physical Review C},
  publisher = {American Physical Society (APS)},
  volume = {88},
  number = {2},
  pages = {025503},
  year = {2013},
  doi = {10.1103/PhysRevC.88.025503},
  issn = {0556-2813}
}