PACS:01.60.+q, 01.10.Cr, 81.30.Kf, 61.72.Hh, 72.30.+q, 74.72.−h (all) DOI:10.1070/PU1991v034n02ABEH002340 URL: https://ufn.ru/en/articles/1991/2/h/ Citation: Alferov Zh I, Andreev A F, Borovik-Romanov A S, Vainshtein B K, Gantmakher V F, Keldysh L V, Nikitenko V I, Ponyatovskii E G, Timofeev V B, Khalatnikov I M, Shekhtman V Sh, Shchegolev I F "Yurii Andreevich Osip'yan (on his sixtieth birthday)" Sov. Phys. Usp.34 (2) 202–203 (1991)