PACS:01.60.+q, 52.80.−s (all) DOI:10.1070/PU1974v017n02ABEH004343 URL: https://ufn.ru/en/articles/1974/2/k/ Citation: Neretina N A, Perevodchikov V I, Pokrovskaya-Soboleva A S, Sena L A, Fabrikant V A "Boris Nikolaevich Klyarfel'd (obituary)" Sov. Phys. Usp.17 286–287 (1974)