Zonalʹnai︠a︡ nauchnai︠a︡ konferent︠s︡ii︠a︡ po filosofskim voprosam (2nd 1965 Permʹ, Russia)

• Materialy 2-oĭ zonalʹnoĭ nauchnoĭ konferent︠s︡ii po filosofskim naukam, aprelʹ 1965 g