Document Zbl 0039.09402

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Contrib. Theory of nonlinear Oscillations, Ann. Math. Stud. 20, 1-38 (1950).

Reviewer: Giovanni Sansone (Firenze)

Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page
scan of Zbl 0039.09402

34A30

Linear ordinary differential equations and systems

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