@article{GDZPPN002308215,
title = {On the Gauss-Kronecker Curvature Tensors.},
journal = {Mathematische Annalen},
volume = {201},
year = {1973},
pages = {335-343},
zbl = {0241.53026},
url = {http://dml.mathdoc.fr/item/GDZPPN002308215}
}
Kowalski, Oldrich. On the Gauss-Kronecker Curvature Tensors.. Mathematische Annalen, Tome 201 (1973) pp. 335-343. http://gdmltest.u-ga.fr/item/GDZPPN002308215/