(NzADA^NIK PO NA^ERTATELXNOJ GEOMETRII (B:s (Nu^EBNOE POSOBIE (B/s - (NlOKTEW(B, (NoLEG wASILXEWI^s; (N~ISLOW(B, (Np(B.(Na(B.s ((NmOSKWA (B:s (NwYS[AQ [KOLA(B,s, 1977)
Keywords: (NnA^ERTATELXNAQ GEOMETRIQs