V. V. Bogoslovskiĭ, Gert︠s︡enovskie chtenii︠a︡ (mezhvuzovskai︠a︡ konferent︠s︡ii︠a︡) 30th Leningrad 1977, Leningradskiĭ gosudarstvennyĭ pedagogicheskiĭ institut imeni A.I. Gert︠s︡ena