(NoT AWANT@RINA DO Q[MYs - (NaHMETOWA(B,(Ng(B. (Nl(B.s (NgALINA lEONIDOWNAs; (NaHMETOW(B,(Ns(B. (Nf(B.s (NsPARTAK fATYHOWI^s ((Nm(B.s (NzNANIEs, 1990)
Keywords: (NsILIKATY (B((NMINEROLOG(B.)s