Colling, B., Heuchenne, C., Samb, R., & Van Keilegom, I. (2015). Estimation of the Error Density in a Semiparametric Transformation Model. Annals of the Institute of Statistical Mathematics, 67, 1-18. https://doi.org/10.1007/s10463-013-0441-x (Original work published 2015)