00692nam0-22002411i-450-990001289010403321000128901FED01000128901(Aleph)000128901FED0100012890120000920d1956----km-y0itay50------baengDifferential equationsProceedings of the Conference held at the University of Maryland 1955Editors Diaz-Paynes.l.University of Maryland1956ITUNINARICAUNIMARCBK990001289010403321202-D-5a2223MA1MA1Differential equations82801UNINAING01