A Hadamard type theorem for the space-time.
Frattarolo, Walter
Portugaliae Mathematica. Nova Série, Tome 51 (1994), p. 257-269 / Harvested from The Electronic Library of Mathematics
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Publié le : 1994-01-01
EUDML-ID : urn:eudml:doc:47284 
@article{00639833,
     title = {A Hadamard type theorem for the space-time.},
     journal = {Portugaliae Mathematica. Nova S\'erie},
     volume = {51},
     year = {1994},
     pages = {257-269},
     zbl = {0824.53075},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00639833}
}

Frattarolo, Walter. A Hadamard type theorem for the space-time.. Portugaliae Mathematica. Nova Série, Tome 51 (1994) pp. 257-269. http://gdmltest.u-ga.fr/item/00639833/