%0 Journal Article
%A K. A. Sveshnikov
%A Yu. S. Voronina
%A A. S. Davydov
%A P. A. Grashin
%T Essentially nonperturbative vacuum polarization effects in a~two-dimensional Dirac--Coulomb system with $Z>Z_\mathrm{cr}$: Vacuum charge density
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2019
%P 381-417
%V 198
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_2019_198_3_a1/
%G ru
%F TMF_2019_198_3_a1