%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 for $Z>Z_{\text{cr}}$: Vacuum polarization effects
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2019
%P 69-103
%V 199
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_2019_199_1_a4/
%G ru
%F TMF_2019_199_1_a4