Perturbation methods in group analysis (Q1174862)

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scientific article; zbMATH DE number 9543
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English
Perturbation methods in group analysis
scientific article; zbMATH DE number 9543

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    Perturbation methods in group analysis (English)
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    25 June 1992
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    approximate groups of transformations
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    approximate symmetries of equations with small parameter
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    evolution equations
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    concept of formal symmetries
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    Bäcklund transformations
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