Local and global invariants of a four-dimensional pseudo-Riemannian manifold
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Algebraic geometry and its applications, Tome 165 (1984), pp. 205-219
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@article{TM_1984_165_a15,
author = {A. N. Tyurin},
title = {Local and global invariants of a~four-dimensional {pseudo-Riemannian} manifold},
journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
pages = {205--219},
year = {1984},
volume = {165},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TM_1984_165_a15/}
}
A. N. Tyurin. Local and global invariants of a four-dimensional pseudo-Riemannian manifold. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Algebraic geometry and its applications, Tome 165 (1984), pp. 205-219. http://geodesic.mathdoc.fr/item/TM_1984_165_a15/