25 (NLET r(B.(Nk(B.(Np(B. ((NBOLX[EWIKOW(B) :s (NiLL@STR(B. (N@BILEJNYJ SBORNIK (B/s - (NwOLKOWI^ER(B, (NiSIDOR wLADIMIROWIs ((NmOSKWA (B;s (NpETROGRAD (B;s (NgOS(B. (NIZD(B-(NWO(B,s, 1923)
Keywords: (Nr(B.(Nk(B.(Np(B. ((NB(B)s