TY  - JOUR
AU  - A. V. Tsvetkova
AU  - A. I. Shafarevich
TI  - The wave equation with symmetric velocity on the hybrid manifold obtained by gluing a ray to a three-dimensional sphere
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 2021
SP  - 369
EP  - 392
VL  - 82
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_2021_82_2_a4/
LA  - ru
ID  - MMO_2021_82_2_a4
ER  -