(NmOJ BEREG (B:s (NsTIHI (B/s - (NmOL^ANOW(B, (NiWAN nIKANOROWI^s ((NmOSKWA (B:s (NwOENMORIZDAT(B,s, 1974)
Keywords: (NsOWETSKAQ PO\ZIQs