%0 Journal Article
%A N. I. Berezovskii
%A N. I. Nagnibida
%T A~description of continuous solutions of the operator equation $Y^2=d^2/dz^2$ in the space of entire functions
%J Matematičeskie zametki
%D 1979
%P 179-182
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1979_26_2_a2/
%G ru
%F MZM_1979_26_2_a2