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On variation bicomplexes associated to differential equations. (English) Zbl 0524.58041

##### MSC:
 37C80 Symmetries, equivariant dynamical systems (MSC2010) 34L99 Ordinary differential operators 55R20 Spectral sequences and homology of fiber spaces in algebraic topology 37C85 Dynamics induced by group actions other than $$\mathbb{Z}$$ and $$\mathbb{R}$$, and $$\mathbb{C}$$ 58A20 Jets in global analysis