%0 Journal Article %A Jackson, H. L. %T Some Remarks on Angular Derivatives and Julia's Lemma %J Canadian mathematical bulletin %D 1966 %P 233-241 %V 9 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-032-3/ %R 10.4153/CMB-1966-032-3 %F 10_4153_CMB_1966_032_3