Dell?Accio, F., Di Tommaso, F., Siar, N., & Vianello, M..  (2022).  DISC: an adaptive numerical Differentiator by local polynomial Interpolation on multivariate SCattered data. Dolomites Research Notes on Approximation, 15(2), 81-91. presented at the 10/2022. doi:10.14658/pupj-drna-2022-2-7