Note: Úvodní text z publikace Perspectives in Geometry and Relativity — Essays in Honor of Václav Hlavatý, Indiana University Press, Bloomington and London, 1966. Přeložil O. Kowalski.

Note: Introductory text of the book Perspectives in Geometry and Relativity — Essays in Honor of Václav Hlavatý, Indiana University Press, Bloomington and London 1966. Translated by O. Kowalski.