TY - JOUR AU - V. M. Babich TI - Space-time ray method for whispering gallery waves JO - Zapiski Nauchnykh Seminarov POMI PY - 2021 SP - 15 EP - 20 VL - 506 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2021_506_a2/ LA - ru ID - ZNSL_2021_506_a2 ER -