The geometrical study of differential equations : NSF-CBMS Conference on the Geometrical Study of Differential Equations, June 20-25, 2000, Howard University, Washington, D.C. / Joshua A. Leslie, Thierry P. Robart, editors.
The geometrical study of differential equations : NSF-CBMS Conference on the Geometrical Study of Differential Equations, June 20-25, 2000, Howard University, Washington, D.C. / Joshua A. Leslie, Thierry P. Robart, editors.