(NpOLQRNYE SIQNIQs (NPER(B. (NS ANGL(B.s - (NoMHOLXT(B,(Na(B.s; (NfELXD[TEJN(B,(Nq(B. (Ni(B.s; (N{EFOW(B,(Nn(B. (Nn(B.s ((Nm(B.s (NmIRs, 1974)
Keywords: (NpOLQRNYE SIQNIQs