%0 Journal Article %A E. Śliwiński %T On the oscillation properties of certain power series %J Commentationes Mathematicae %D 1969 %P 267-271 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v12i2.5149/ %R 10.14708/cm.v12i2.5149 %G pl %F 10_14708_cm_v12i2_5149