(NsEKRETY PROSTYH FOKUSOW (B/s - (NaKOPQN(B, (NaMAQK aRUT@NOWI^s; (NvUKOW(B, (N`(B.(Ne(B.s ((NmOSKWA (B:s (NdROFA(B,s, 2001)
Keywords: (NfOKUSs