@article{BUMI_1998_8_1A_1S_a38,
     author = {Gemelli, Gianluca},
     title = {Onde di discontinuit\`a gravitazionali in relativit\`a generale},
     journal = {Bollettino della Unione matematica italiana},
     pages = {163--166},
     publisher = {mathdoc},
     volume = {Ser. 8, 1A},
     number = {1S},
     year = {1998},
     zbl = {Zbl 0918.53030},
     mrnumber = {1156125},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1998_8_1A_1S_a38/}
}