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Lemmes de Hensel pour les opérateurs différentiels. Application à la reduction formelle des équations différentielles. (French) Zbl 0466.12014

MSC:
12H20 Abstract differential equations
12H25 \(p\)-adic differential equations
34A30 Linear ordinary differential equations and systems
34A25 Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc.
34G20 Nonlinear differential equations in abstract spaces
47E05 General theory of ordinary differential operators
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