00639nam0-22002411i-450-990001138760403321000113876FED01000113876(Aleph)000113876FED0100011387620000920d1970----km-y0itay50------baengCalculus of finite differencesby Boole G.New YorkChelsea1970Boole,George45065ITUNINARICAUNIMARCBK99000113876040332114-L-3512328MA1MA1Calculus of finite differences344267UNINAING01