Bartsch, T. Topological Methods for Variational Problems with Symmetries. Springer.
Style de citation Chicago (17e éd.)Bartsch, Thomas. Topological Methods for Variational Problems with Symmetries. Berlin [etc.]: Springer.
Style de citation MLA (8e éd.)Bartsch, Thomas. Topological Methods for Variational Problems with Symmetries. Springer.
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