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DOI: 10.3367/UFNe.2026.05.040146 URL: https://ufn.ru/en/articles/2026/6/a/ Citation: "Special issues of the journal "Izvestiya Vuzov. Radiofizika" ("Radiophysics and Quantum Electronics") dedicated to the 100th anniversary of A.V. Gaponov-Grekhov" Phys. Usp. 69 (6) (2026) Accepted: 30th, May 2026 Оригинал: «Специальные выпуски журнала "Известия вузов. Радиофизика" к 100-летию А.В. Гапонова-Грехова» УФН 196 562–562 (2026); DOI: 10.3367/UFNr.2026.05.040146 A.V. Gaponov-Grekhov is author of Physics-Uspekhi