00805nam0-22002891i-450-990001175660403321000117566FED01000117566(Aleph)000117566FED0100011756620000920d1900----km-y0itay50------baengTheory of Differential EquationsA. R. Forsyth.CambridgeCambridge University Press1900Vol. 3Equazioni differenziali ordinarie non lineari515.35515.352Forsyth,Andrew Russell12311ITUNINARICAUNIMARCBK9900011756604033214-C-30712MA1MA1Theory of Differential Equations342099UNINAING01