1. Filamentation of Unstable Vortex Structures via Separatrix Crossing: A Quantitative Estimate of Onset Time Polvani, Lorenzo M.; Flierl, G. R.; Zabusky, N. J. 1989 Articles MathematicsPhysics
2. Two-Layer Geostrophic Vortex Dynamics. Part 1. Upper-Layer V-States and Merger Polvani, Lorenzo M.; Flierl, G. R.; Zabusky, N. J. 1989 Articles MathematicsPhysicsAtmosphere
3. Generalized Kirchhoff Vortices Polvani, Lorenzo M.; Flierl, G. R. 1986 Articles MathematicsPhysics