Generic orbits of the diffeomorphism group of a two-manifold in the space ${\frak G}^*_{\text{reg}}$ of regular momenta.
(English).
In:
Bureš, J.
and
Souček, V. (eds.):
Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1991.
pp. [171]-178