(NkEPLER (B:s (NeGO VIZNX I NAU^NAQ DEQTELXNOSTX (B/s - (NpREDTE^ENSKIJ(B, (Ne(B.(Na(B.s; (NsTEKLOW(B, (Nw(B.(Na(B.s ((NbERLIN (B;s (NlONDON (B;s (NpETERBURG (B;s (NsTOKGOLXM (B:s (NiZD(B. (Nz(B.(Ni(B. (NgRVEBINA(B,s, 1921)
Keywords: (NkEPLER(B, (NiOGANNs; 9