Annales Polonici Mathematici > 1991-1992 > 56 > 2 > 195-211
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journal ISSN : | 0066-2216 |
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Bibliography
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[1] T. Bartsch, Critical orbits of invariant functionals and symmetry breaking, For- schungsschwerpunkt Geometrie, Universität Heidelberg, Heft Nr 34, 1988.
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[2] V. Benci and F. Pacella, Morse theory for symmetric functionals on the sphere and an application to a bifurcation problem, Nonlinear Anal. 9 (1985), 763-771.
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[3] G. Bredon, Introduction to Compact Transformation Groups, Academic Press, 1972.