%0 Journal Article %A Thomas Boehme %T On power series in the differentiation operator %J Studia Mathematica %D 1973 %P 309-317 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-45-3-309-317/ %R 10.4064/sm-45-3-309-317 %G en %F 10_4064_sm_45_3_309_317