TY - JOUR AU - S. S. Girgel TI - Solutions of the wave equation in parabolic rotary coordinates. III. Spatiotemporal wave packets of Kummer--Kummer and Tricomi--Kummer with the continuous angular index JO - Problemy fiziki, matematiki i tehniki PY - 2021 SP - 13 EP - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2021_1_a1/ LA - ru ID - PFMT_2021_1_a1 ER -