(NtEOREMY I METODY STATIKI DEFORMIRUEMYH SISTEMs (NU^EBNOE POSOBIEs - (NrOZIN(B,(Nl(B. (Na(B.s (NlEONID aLEKSANDROWI^s; (Nm(B-(NWO WYS[(B. (NI SRED(B. (NSPEC(B. (NOBRAZOWANIQ rsfsrs ((Nl(B.s (NiZD(B-(NWO lgus, 1986)