Francaviglia, Mauro; Palese, Marcella: Generalized Jacobi morphisms in variational sequences.
(English).
In:
Slovák, Jan
and Čadek, Martin (eds.): Proceedings of the 21st Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 2002.
pp. [195]-208
Palese, Marcella; Vitolo, Raffaele: On a class of polynomial Lagrangians.
(English).
In:
Slovák, Jan
and Čadek, Martin (eds.): Proceedings of the 20th Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 2001.
pp. 147-159