@article{Qin2015,
  author    = {Si-xue Qin},
  title     = {A divergence-free method to extract observables from correlation functions},
  journal   = {Physics Letters B},
  volume    = {742.2015},
  pages     = {358 -- 362},
  doi       = {10.1016/j.physletb.2015.02.009},
  year      = {2015},
}