%0 Journal Article %A Herstein, I. N. %T A Note on Derivations %J Canadian mathematical bulletin %D 1978 %P 369-370 %V 21 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-065-x/ %R 10.4153/CMB-1978-065-x %F 10_4153_CMB_1978_065_x