@article{DOCMA_2010__15__a19,
     author = {Wang, Feng-Yu},
     title = {Semigroup properties for the second fundamental form},
     journal = {Documenta mathematica},
     pages = {527--543},
     publisher = {mathdoc},
     volume = {15},
     year = {2010},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/DOCMA_2010__15__a19/}
}