@article{GDZPPN002236931, title = {Curvature surfaces of Hopf Hypersurfaces in complex space forms.}, journal = {Manuscripta mathematica}, volume = {86}, year = {1995}, pages = {449-458}, zbl = {0857.53013}, url = {http://dml.mathdoc.fr/item/GDZPPN002236931} }
Böning, Rolf. Curvature surfaces of Hopf Hypersurfaces in complex space forms.. Manuscripta mathematica, Tome 86 (1995) pp. 449-458. http://gdmltest.u-ga.fr/item/GDZPPN002236931/