TY - BOOK AU - Pogorelov, A. V. AU - Boron, Leo F. TI - LECTURES ON THE FOUNDATIONS OF GEOMETRY U1 - 513 PY - 1966/// CY - Groningen, The Netherlands PB - P. Noordhoff KW - Geometry. Foundations N1 - Translation Of Lektsii Po Osnovaniiam Geometrii ER -