00698naa#a2200193#i#450# EN\\bibl\57243 20260305221420.4 2712-9640 20230929b2023####ek#y0engy0150####ca RUS RU Identification of spectrum of secondary acoustic-gravity waves in the middle and upper atmosphere in a high-resolution numerical model Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2023 6 с. Journal article local Гравитационные волны. 551.511.31 RUS Gavrilov Nikolay Mihaylovich Kshevetskii Sergey Petrovich naukaru.ru