PACS:01.60.+q DOI:10.1070/PU1997v040n07ABEH000260 URL: https://ufn.ru/en/articles/1997/7/k/ A1997XP44400010 Citation: Barabanov A L, Belyaev S T, Vaks V G, Narozhnyi N B, Ogloblin A A, Pik-Pichak G A, Pokrovskii Yu E, Romanov S V, Sapershtein E E, Soldatov A A "In memory of Dmitrii Petrovich Grechukhin" Phys. Usp.40 753–754 (1997)