Title: Dvenadt︠s︡atye respublikanskie chtenii︠a︡ "Velikie preobrazovateli estestvoznanii︠a︡: Dekart i Leĭbnit︠s︡"
Subjects: Congresses, Modern Philosophy
People: René Descartes (1596-1650), Gottfried Wilhelm Leibniz Freiherr von (1646-1716)