@article{adamamethodforstochasticoptimization,
  title = {Adam: A Method for Stochastic Optimization},
  author = {Diederik P. Kingma and Jimmy Ba},
  year = {2014},
  eprint = {1412.6980},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1412.6980v9},
}