(NwWEDENIE W MODELIROWANIE \KOLOGO(B-(N\KONOMI^ESKIH SISTEM(B. (NrOSTROW Ns - (NgORSTKO a(B.(Nb(B.s ((NrOSTROW(B-(NNA(B-(NdONUs (NiZDATELXSTWO rOSTROWSKOGO UNIWERSITETAs, 1990)