%0 Journal Article %A S. S. Girgel %T Solutions of the wave equation in parabolic rotary coordinates. III. Spatiotemporal wave packets of Kummer--Kummer and Tricomi--Kummer with the continuous angular index %J Problemy fiziki, matematiki i tehniki %D 2021 %P 13-18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2021_1_a1/ %G ru %F PFMT_2021_1_a1