Vsesoi︠u︡znai︠a︡ nauchno-teoreticheskai︠a︡ konferent︠s︡ii︠a︡, posvi︠a︡shchennai︠a︡ desi︠a︡tiletii︠u︡ martovskogo Plenuma T︠S︡K KPSS Moscow 1975