Minimum-time strong optimality of a singular arc: The multi-input non involutive case

Chittaro, Francesca; Stefani, Gianna

ESAIM: Control, Optimisation and Calculus of Variations, Volume 22 (2016) p. 786-810

Differential pseudoconnections and field theories

Modugno, Marco; Ragionieri, Rodolfo; Stefani, Gianna

Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 34 (1981) p. 465-493

On the geometrical structure of shock waves in general relativity

Modugno, Marco; Stefani, Gianna

Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 30 (1979) p. 27-50

On gravitational and electromagnetic shock waves and their detection

Modugno, Marco; Stefani, Gianna

Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 25 (1976) p. 91-104