(NdELO w(B.(Ni(B. (NlENINA I BOLGARSKAQ OB]ESTWENNOSTX (B:s (NpER(B. (NS BOLG(B. /s - (NnIKOLOW(B, (Nc(B.s ((NmOSKWA (B:s (NpOLITIZDAT(B,s, 1980)
Keywords: (NoB]ESTWENNYE NAUKIs