PACS:01.60.+q, 13.25.Es, 11.30.Er, 14.60.Lm, 13.40.Em (all) DOI:10.1070/PU1989v032n07ABEH002742 URL: https://ufn.ru/en/articles/1989/7/h/ Citation: Voloshin M B, Gribov V N, Dolgov A D, Ioffe B L, Kobzarev I Yu, Kogan V I, Migdal A B, Novikov V A, Pontecorvo B, Rudik A P, Ter-Martirosyan K A "Lev Borisovich Okun' (on his sixtieth birthday)" Sov. Phys. Usp.32 643–644 (1989)