00746naa#a2200205#i#450# EN\\bibl\52928 20240520174357.1 2587-9936 20210625b2021####ek#y0engy0150####ca ENG RU On some problems of modeling the processes of interaction of wide electron beams with planar microwave structures based on gallium nitride Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2021 9 с. Journal article local . 621.396.67(075.8) + 621.397.6(075.8) ENG Stepovich Mikhail A. Kalmanovich V V Filippov M N icrtjournal.com