(NrAS^ETY NA PRO^NOSTX PRI NAPRQVENIQH(B, (NPEREMENNYH WO WREMENIs - (NkOGAEW(B,(Nw(B. (Np(B.s (NwLADIMIR pETROWI^s ((Nm(B.s (NmA[INOSTROENIEs, 1977)
Keywords: (NdETALI MA[INs -- (NuSTALOSTNAQ PRO^NOSTXs; (NdETALI MA[INs -- (NnAPRQVENIQs