@article{Barmpalias2018PointedComputationsMartin,
  title   = {Pointed computations and Martin-L{\"o}f randomness},
  journal = {Computability},
  year    = {2018},
  volume  = {7},
  number  = {2-3},
  pages   = {171-177},
  author  = {G. Barmpalias and A. Lewis-Pye and A. Li},
}