@article{GDZPPN002233177,
title = {Instrinsic Connections for Levi Metrics.},
journal = {Manuscripta mathematica},
volume = {76},
year = {1992},
pages = {349-364},
url = {http://dml.mathdoc.fr/item/GDZPPN002233177}
}
Stanton, Charles M. Instrinsic Connections for Levi Metrics.. Manuscripta mathematica, Tome 76 (1992) pp. 349-364. http://gdmltest.u-ga.fr/item/GDZPPN002233177/