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Publication:3887793
zbMath0444.34042MaRDI QIDQ3887793
Publication date: 1979
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Linear ordinary differential equations and systems (34A30) Averaging method for ordinary differential equations (34C29) Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10) Asymptotic theory for ordinary differential equations (34E99)