@online{huangndfatou,
  author       = {Huang, Xuanqiang Angelo},
  title        = {Fatou's Lemma},
  organization = {Xuanqiang Angelo Huang's Blog},
  url          = {https://flecart.github.io/notes/fatous-lemma/},
  langid       = {english},
  abstract     = {Fatou's lemma is a fundamental result in measure theory that deals with the relationship between limits and integrals of sequences of non-negative measurable functions. See the wikipedia page for further info. Statement of Fatou's Lemma \# Let ( f n ​ ) be a sequence of non-negati}
}