%0 Journal Article
%A Baghdadi Aloui
%A Jihad Souissi
%T Hahn's problem with respect to some perturbations of the raising operator $(X-c)$
%J Ural mathematical journal
%D 2020
%P 15-24
%V 6
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UMJ_2020_6_2_a1/
%G en
%F UMJ_2020_6_2_a1