Dębecki, Jacek: Natural transformations of Lagrangians.
(English).
In:
Bureš, J.
and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1994.
pp. [41]-46
Dębecki, Jacek: Natural transformations of affinors into linear forms.
(English).
In:
Bureš, J.
and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Topology".
Circolo Matematico di Palermo, Palermo, 1993.
pp. [49]-59