%0 Journal Article %A Alastair Fletcher %A Ben Wallis %T The orbits of generalized derivatives %J Annales Fennici Mathematici %D 2019 %P 485–495-485–495 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2019.4429/ %R 10.5186/aasfm.2019.4429 %G en %F AFM_2019_44_1_a28