no. 2
On the existence of geodesics in static Lorentz manifolds with singular boundary
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 2, pp. 255-289. 
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     title = {On the existence of geodesics in static {Lorentz} manifolds with singular boundary},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {255--289},
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     volume = {Ser. 4, 19},
     number = {2},
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     zbl = {0776.53040},
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Benci, V.; Fortunato, D.; Giannoni, F. On the existence of geodesics in static Lorentz manifolds with singular boundary. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 2, pp. 255-289. http://archive.numdam.org/item/ASNSP_1992_4_19_2_255_0/

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