(NoWO]EWODSTWO (B:s (Nu^EBNOE POSOBIE DLQ SREDNYH S(B.-(NH(B. (N[KOL (B/s - (N|DELX[TEJN(B, (Nw(B.(Ni(B.s; (NkAPLAN(B, (Ng(B.(Nd(B.s ((NmOSKWA (B:s (NsELXHOZGIZ(B,s, 1951)
(NpRILOV(B. : (NS(B. 294-301s
(NbIBLIOGR(B. (NW PODSTR(B. (NPRIME^(B.s
Keywords: (NoWO]EWODSTWOs