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Punto crítico, Teoría del (Análisis matemático) (Topical Term)
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Work cat.: (AT-ISTA): Bartsch, Thomas, 1958- https://id.oclc.org/worldcat/entity/E39PCjKXmCdyTd9C3t8Vrm4b7d 78528, Topological methods for variational problems with symmetries /, ©1993.