@article{Abbott:2017,
  author  = "B. Abbott and R. Abbott and T. Abbott and -. [et. al.] and D. Rosińska",
  title   = "Upper Limits on the Stochastic Gravitational-Wave Background from Advanced LIGO's First Observing Run",
  journal = "Physical Review Letters",
  volume  = "Vol. 118",
  pages   = "1--14",
  year    = "2017",
}