%0 Journal Article
%A F. M. Filipczak
%T On the derivative of type α
%J Colloquium Mathematicum
%D 1980
%P 151-154
%V 43
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-43-1-151-154/
%R 10.4064/cm-43-1-151-154
%G en
%F 10_4064_cm_43_1_151_154