(N|LEMENTARNAQ GEOMETRIQ (B:s (NpOSOBIE DLQ U^ITEDEJ SREDNEJ [KOLY (B/s - (NaDAMAR(B, (NvAKs; (NpEREPELKIN(B, (Nd(B. (Ni(B.s ((NmOSKWA (B: s (Nu^PEDGIZ(B, s)
(N~(B. 2 (1951, 760 (NS(B.)s (NsTEREOMETRIQs
Keywords: (N|LEMENTARNAQ GEOMETRIQs; (NgEOMETRIQ (B- (Nu^EBNIKI I POSOBIQs