(untitled) - Gefter, M. I︠A︡. (Mikhail I︠A︡kovlevich), 1918-1995; Gefter, M. I︠A︡. (Mikhail I︠A︡kovlevich), 1918-1995; Gefter, M. I︠A︡. (Mikhail I︠A︡kovlevich), 1918-1995