Pavel, N. H., & Ursescu, C. (1980). Flow-invariant sets for autonomous second order differential equations and applications in mechanics. Inst. de Mat.
Chicago Style (17th ed.) CitationPavel, Nicolae H., and Corneliu Ursescu. Flow-invariant Sets for Autonomous Second Order Differential Equations and Applications in Mechanics. Bucureşti: Inst. de Mat, 1980.
MLA (9th ed.) CitationPavel, Nicolae H., and Corneliu Ursescu. Flow-invariant Sets for Autonomous Second Order Differential Equations and Applications in Mechanics. Inst. de Mat, 1980.
Warning: These citations may not always be 100% accurate.