(NdOBROE IMQ (B:s (NpOWESTX (B/s - (NkOR@KOW(B, (NpORFIRIJ tIMOFEEWI^s ((NsWERDLOWSK (B:s (NkN(B. (NIZD(B-(NWO(B, s, 1959)
Keywords: (NmOLODEVX W sssr (B((NH(B. (NL(B.) s; (NkOLHOZY I KOLHOZNIKI (B((NH(B. (NL(B.) s