00799nam0-22002891i-450-990001271070403321000127107FED01000127107(Aleph)000127107FED0100012710720000920d1966----km-y0itay50------baengOrdinary differential equationsI. G. Petrovskis.l.Silverman1966DISPERSOEquazioni differenziali ordinarie515.352Petrovsky,I. G.<Ivan Georgievich ;1901-1973>331375ITUNINARICAUNIMARCBK9900012710704033214-D-406921MA1MA134-XXOrdinary differential equations338359UNINAING01