@article{ŠopikLipavskyMaenneletal.2011,
  author    = {B. Šop{\´i}k and P. Lipavsky and M. M{\"a}nnel and K. Morawetz},
  title     = {Conserving T-matrix theory of superconductivity},
  journal   = {arXiv:0906.3677},
  year      = {2011},
}