%0 Journal Article
%A S. S. Girgel
%T Solutions of the wave equation in parabolic rotary coordinates. I. 3D Kummer--Kummer light beams with the continuous angular index
%J Problemy fiziki, matematiki i tehniki
%D 2020
%P 13-17
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PFMT_2020_3_a1/
%G ru
%F PFMT_2020_3_a1