00805nam0-22002651i-450-990001283700403321000128370FED01000128370(Aleph)000128370FED0100012837020000920d1985----km-y0itay50------baengAnalysis of approximation methods for differential and into equationsby ReinhardtNew York [etc.]Springer-Verlag1985Applied mathematical sciences, 57Reinhardt,H. J.58562ITUNINARICAUNIMARCBK990001283700403321C-33-(571804MA1MA1Analysis of approximation methods for differential and into equations384843UNINAING01