(NvAN vAK rUSSO (B/s - (NdWORCOW(B, (NaNDREJ tROFIMOWI^s; (NbYHOWSKIJ(B, (Nb(B.(N|s; (NaKADEMIQ nAUK sssrs ((NmOSKWA (B:s (NnAUKA(B,s, 1980)
Keywords: (NrUSSO(B, (NvAN(B-(NvAKs; 9