Akademiku Dmitrii︠u︡ Stepanovichu Beli︠a︡nkinu k semidesi︠a︡tiletii︠u︡ so dni︠a︡ rozhdenii︠a︡ i sorokapi︠a︡tiletii︠u︡ nauchnoĭ dei︠a︡tel'nosti | lit.salon