00731nam0-22002771i-450-990002550490403321000255049FED01000255049(Aleph)000255049FED0100025504920000920d1969----km-y0itay50------baENGPlanning by MathematicsS. Vajda.LondonPitman1969.vii, 130 p.22 cmEconomia, Metodi matematici per l'economia330Vajda,S.12478ITUNINARICAUNIMARCBK990002550490403321MXX-A-261443MASMASPlanning by Mathematics437431UNINAING01