@article{02221313,
title = {On space-times with commutative parings of vector fields.},
journal = {APPS. Applied Sciences},
volume = {7},
year = {2005},
pages = {58-61},
zbl = {1084.83025},
language = {en},
url = {http://dml.mathdoc.fr/item/02221313}
}
Caristi, Giuseppe; Ferrara, Massimiliano. On space-times with commutative parings of vector fields.. APPS. Applied Sciences, Tome 7 (2005) pp. 58-61. http://gdmltest.u-ga.fr/item/02221313/