(NpO SLEDAM NEIZWESTNYH VIWOTNYH (B:s [(NdLQ SREDNEGO [KOLXNOGO WOZRASTA(B] /s - (N|JWELXMANS(B, (NbERNARs; (NnIKOLXSKIJ(B, (Ng(B.(Ne(B.s ((Nm(B. :s (NdETSKIJ MIR(B,s, 1961)
Keywords: (NiZDANIQ SME[ANNOGO SODERVANIQs; (NiZDANIQ DLQ OPREDELENNYH KATEGORIJ ^ITATELEJs; (NrELIKTOWYE VIWOTNYEs