Pavel, N. H., & Ursescu, C. (1980). Flow-invariant sets for autonomous second order differential equations and applications in mechanics. Inst. de Mat.
Chicago-Zitierstil (17. Ausg.)Pavel, Nicolae H., und Corneliu Ursescu. Flow-invariant Sets for Autonomous Second Order Differential Equations and Applications in Mechanics. Bucureşti: Inst. de Mat, 1980.
MLA-Zitierstil (9. Ausg.)Pavel, Nicolae H., und Corneliu Ursescu. Flow-invariant Sets for Autonomous Second Order Differential Equations and Applications in Mechanics. Inst. de Mat, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.