(NoPTIMIZACIQ DOLGOSRO^NOGO PLANA GRUPPY WZAIMOSWQZANNYH OTRASLEJ \KONOMI^ESKOGO RAJONA (B/s - (N{ALABIN(B, (NgERALXD wASILXEWI^s ((NlENINGRAD (B:s (NiZD(B-(NWO lENINGR(B. (NUN(B-(NTA(B,s, 1975)
Keywords: (NpLANIROWANIE NARODNOGO HOZQJSTWA (B- (NmATEMATI^ESKIE METODYs