Has participated in:
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Verzweigungslösungen eines stationären hydrodynamischen Randwertproblems
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ICIAM 95 : proceedings of the Third International Congress on Industrial and Applied Mathematics, held in Hamburg, Germany, July 3 - 7, 1995
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Problems involving change of type : proceedings of a conference held at the University of Stuttgart, FRG, October 11 - 14, 1988 ; [dedicated to J. K. Hale on the occasion of his 60th birthday]