by B. F. Borzin, Mikhail I︠U︡rʹevich German, Mikhail German, Leningradskiĭ gosudarstvennyĭ pedagogicheskiĭ institut imeni A.I. Gert︠s︡ena, Gertsenovskie chtenii︠a︡ (mezhvuzovskaia konferentsii︠a︡) (24th 1971 Leningrad)