Exterior differential equations in generalized mechanics and symmetry properties. (Russian) Zbl 0719.58015

Methods for the investigations of differential and integral operators, Collect. Sci. Works, Kiev, 153-160 (1989).
[For the entire collection see Zbl 0684.00012.]
The author studies invariance questions of infinitesimal groups of transformations and the reciprocal problem of variational calculus.


58E40 Variational aspects of group actions in infinite-dimensional spaces


Zbl 0684.00012