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By Peter J. Olver, P.J. Olver. Author P.J. Olver. Vector Fields. Lie Algebras. Differential Forms. Integration of Ordinary Differential Equations. Nondegeneracy Conditions for Differential Equations.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.