Geometrical methods in the theory of ordinary differential equations /

by Arnolʹd, V. I. 1937-2010.
Published 1983

Singularities of differentiable maps /

by Arnolʹd, V. I. 1937-2010.
Published 1985

Ordinary differential equations /

by Arnold, V. I. 1937-2010.
Published 2006