TY - BOOK AU - Pogorelov,A.V. AU - Kra,Irwin AU - Zaustinskiy,Eugene TI - Hilbert's fourth problem SN - 0470267356 (Halsted) U1 - 516.1 23 PY - 1979/// CY - Washington, New York PB - V. H. Winston, distributed solely by Halsted Press KW - Geometry KW - Foundations N1 - Translation of Chetvertai︠a︡ problema Gilʹberta; Includes index; Bibliography: p. 93-94 ER -