@article{PPN235181684_0243+dmdlog22,
title = {On the Eigenvalues of the Shape Operator of an Isometric Immersion into a Space of Constant Curvature.},
journal = {Mathematische Annalen},
volume = {243},
year = {1979},
pages = {71-82},
zbl = {0393.53037},
url = {http://dml.mathdoc.fr/item/PPN235181684_0243+dmdlog22}
}
Reckziegel, Helmut. On the Eigenvalues of the Shape Operator of an Isometric Immersion into a Space of Constant Curvature.. Mathematische Annalen, Tome 243 (1979) pp. 71-82. http://gdmltest.u-ga.fr/item/PPN235181684_0243+dmdlog22/