PACS:01.60.+q, 01.30.Ee, 01.10.Cr, 41.85.Lc (all) DOI:10.1070/PU1970v013n03ABEH004278 URL: https://ufn.ru/en/articles/1970/3/v/ Citation: Ansel’m A I, Zhurkov S N, Lebedev N N, Loitsyanskii L G, Lur’e A I, Nasledov D N, Tuchkevich V M, Uflyand Ya S "GEORGII ABRAMOVICH GRINBERG (on his Seventieth Birthday)" Sov. Phys. Usp.13 427–428 (1970)