@article{GDZPPN002034573,
title = {A characterization for isometries and conformal mappings of pseudo-Riemannian manifolds.},
journal = {Aequationes mathematicae},
volume = {27},
year = {1984},
pages = {20-31},
zbl = {0539.53017},
url = {http://dml.mathdoc.fr/item/GDZPPN002034573}
}
Peleska, Jan. A characterization for isometries and conformal mappings of pseudo-Riemannian manifolds.. Aequationes mathematicae, Tome 27 (1984) pp. 20-31. http://gdmltest.u-ga.fr/item/GDZPPN002034573/