TY - JOUR AU - M. N. Demchenko TI - Asymptotic properties of solutions to a certain ultrahyperbolic equation JO - Zapiski Nauchnykh Seminarov POMI PY - 2022 SP - 40 EP - 64 VL - 516 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2022_516_a2/ LA - ru ID - ZNSL_2022_516_a2 ER -