@article{NSJOM_2008_38_3a_23,
     author = {R. Steinbauer},
     title = {Distributional {semi-Riemannian

} geometry},
     journal = {Novi Sad Journal of Mathematics},
     pages = {189-199},
     year = {2008},
     volume = {38},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2008_38_3a_23/}
}