(NiNFORMACIONNYJ B@LLETENX (B/s ((NlENINGRAD (B: s (Nlti(B,s, 1956)
(NwYP(B. 1 (1952, 203 (NS(B.)s (NaNNOTACII NAU^NO(B-(NISSLEDOWATELXSKIH RABOTs
Keywords: (NnEORGANI^ESKAQ I ANALITI^ESKAQ HIMIQs