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Iryna O. Zelenska. Asymptotic integration of systems of singularly perturbed differential equations with a turning point
: Доктор філософії :
spec.. 111 - Математика :
presented. 2025-06-18; popup.evolution: o;
Taras Shevchenko National University of Kyiv. – Київ, 0825U002144.
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Updated: 2026-03-22
