@article{JMLR:v23:20-782,
  author  = {Jaouad Mourtada and Stéphane Gaïffas},
  title   = {An Improper Estimator with Optimal Excess Risk in Misspecified Density Estimation and Logistic Regression},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {31},
  pages   = {1--49},
  url     = {http://jmlr.org/papers/v23/20-782.html}
}