PACS:01.60.+q, 61.66.Dk, 81.30.Kf (all) DOI:10.1070/PU1972v015n01ABEH004953 URL: https://ufn.ru/en/articles/1972/1/j/ Citation: Kikoin I K, Osip’yan Yu A, Stepanov A V, Entin R I "GEORGII VYACHESLAVOVICH KURDYUMOV (On his seventieth birthday)" Sov. Phys. Usp.15 134–137 (1972)