%0 Journal Article
%A A. Yu. Popov
%T Development of the Valiron--Levin theorem on the least possible type of entire functions with a~given upper $\rho$-density of roots
%J Contemporary Mathematics. Fundamental Directions
%D 2013
%P 132-164
%V 49
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2013_49_a3/
%G ru
%F CMFD_2013_49_a3