00640naa#a2200181#i#450# EN\\bibl\48299 20260214194417.6 2500-0535 20220630b2022####ek#y0engy0150####ca ENG RU Second-order perturbations in Alfvén waves in finite pressure plasma Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2022 5 с. Journal article local Физика. 53 Геология. Геологические и геофизические науки. 55 ENG Dmitrienko Irina Sergeevna zh-szf.ru