(NaNXO[ jEDLIK (B:s 1800-1895 - (NcWERAWA(B, (NgRANT kONSTANTINOWI^s ((NlENINGRAD (B:s (NnAUKA(B. (NlENINGR(B. (NOTD(B-(NNIE(B,s, 1972)
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Keywords: (NfIZIKAs; (NjEDLIK(B, (NaNXO[s