Matsyuk, R. Ya. On the existence of a Lagrangian for a system of ordinary differential equations. (Russian) Zbl 0478.34033 Mat. Metody Fiz.-Mekh. Polya 13, 34-38 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 1 Document MSC: 34C20 Transformation and reduction of ordinary differential equations and systems, normal forms 34B30 Special ordinary differential equations (Mathieu, Hill, Bessel, etc.) 34A99 General theory for ordinary differential equations Keywords:Euler-Poisson equation system; third-order ordinary differential equation systems; algebraic equations for the coefficients PDF BibTeX XML Cite \textit{R. Ya. Matsyuk}, Mat. Metody Fiz.-Mekh. Polya 13, 34--38 (1981; Zbl 0478.34033) OpenURL