@article{10_21136_CMJ_2020_0128_19,
     author = {Okumura, Kazuhiro},
     title = {A certain tensor on real hypersurfaces in a nonflat complex space form},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1059--1077},
     publisher = {mathdoc},
     volume = {70},
     number = {4},
     year = {2020},
     doi = {10.21136/CMJ.2020.0128-19},
     mrnumber = {4181796},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0128-19/}
}