HERWIG
HAUSER
Ikertzailea 1995-1995 tartean
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University of Innsbruck
Innsbruck, AustriaUniversity of Innsbruck-ko ikertzaileekin lankidetzan egindako argitalpenak (2)
1999
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The reduced bautin index of planar vector fields
Duke Mathematical Journal, Vol. 100, Núm. 3, pp. 425-445
1996
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Semi-Universal Unfoldings and Orbits of the Contact Group
Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg, Vol. 66, Núm. 1, pp. 1-9