(NvAN sBOGAR (B/s - (NnODXE(B, (N{ARLX(B.s; (NgUNST(B, (Ne(B.(Na(B.s; (NkARQKIN(B, (Nw(B.(Nn(B.s ((NmOSKWA (B;s (NlENINGRAD (B:s Academia, 1934)