(NiWANOWSKIJ KRQV (B:s (NrOMAN W NOWELLAH (B/s - (NaNTROPOW(B, (N`RIJ wASILXEWI^s ((NmOSKWA (B:s (NsOWETSKAQ rOSSIQ(B,s, 1987)
Keywords: (NrABO^IJ KLASS W sssr (B((NH(B. (NL(B.)s; (NsEMXQ W sssr (B((NH(B. (NL(B.)s