Conformality and Pseudo-Riemannian Manifolds.
Mathematica Scandinavica, Tome 28 (1971), pp. 45-69
@article{MS2_1971__28_166164,
author = {J. Lawrynowicz and W. Waliszewski},
title = {Conformality and {Pseudo-Riemannian} {Manifolds.}},
journal = {Mathematica Scandinavica},
pages = {45--69},
year = {1971},
volume = {28},
zbl = {0221.31005},
url = {http://geodesic.mathdoc.fr/item/MS2_1971__28_166164/}
}
J. Lawrynowicz; W. Waliszewski. Conformality and Pseudo-Riemannian Manifolds.. Mathematica Scandinavica, Tome 28 (1971), pp. 45-69. http://geodesic.mathdoc.fr/item/MS2_1971__28_166164/