(NgRANICA (B:s (NpOWESTI (B/s - (NaWDEENKO(B, (NaLEKSANDR oSTAPOWI^s ((NmOSKWA (B:s (NwOENIZDAT(B,s, 1979)
Keywords: (NpOGRANI^NIKI W sssr (B((NH(B. (NL(B.) s