(NfIZIKA (B:s (NtEMATI^ESKIJ SBORNIK (B/s ((NaLMA(B-(NaTA (B:s (Nb(B. (NI(B.s, 2000)
(NwYP(B. 1 ( 1974, 262 (N^(B.)s
Keywords: (NfIZIKAs