00778nam0-22002651i-450-990001141250403321000114125FED01000114125(Aleph)000114125FED0100011412520000920d1928----km-y0itay50------baengApproximations successives et equations différentiellesde Cotton E.ParisGauthier-Villars1928Mémorial des sciences mathématiquesVol.XXVIIICotton,Emile54689ITUNINARICAUNIMARCBK99000114125040332116-C-280625MA1MA1Approximations successives et equations différentielles344135UNINAING01