00831nam0-22003011i-450-99000050380040332120130419133109.0000050380FED01000050380(Aleph)000050380FED0100005038020020821d--------km-y0itay50------baengGBy-------001yyMathematical models in economicsJerzy Los, Maria W. LosAmsterdam ; LondonNorth-Holland1974Los,Jerzy27041Los,Maria W.27042ITUNINARICAUNIMARCBK99000050380040332110 A I 3018160DINELISVE A02/243241DECTSDINELDECTSMathematical models in economics330046UNINA