00896nam0-22002891i-450-990001235090403321000123509FED01000123509(Aleph)000123509FED0100012350920000920d1953----km-y0itay50------baengDifferential operators and differential equations of infinite order with constant coefficientsP.C. SikkemaGroningenNoordhoff1953.Operatori differenzialiEquazioni differenziali515.724515.3Sikkema,P.C.57143ITUNINARICAUNIMARCBK9900012350904033214-D-181546MA1MA1Differential operators and differential equations of infinite order with constant coefficients382275UNINAING01