@article{JMLR:v18:15-592,
  author  = {Vivek S. Borkar and Vikranth R. Dwaracherla and Neeraja Sahasrabudhe},
  title   = {Gradient Estimation with Simultaneous Perturbation and Compressive Sensing},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {18},
  number  = {161},
  pages   = {1--27},
  url     = {http://jmlr.org/papers/v18/15-592.html}
}