@article{MM2_1995__87_4_156096,
     author = {Alfonso Romero and Luis J. Al{\'\i}as},
     title = {Integral formulas for compact spacelike n-submanifolds in de {Sitter} spaces {Applications} to the parallel mean curvature vector case.},
     journal = {Manuscripta mathematica},
     pages = {405--416},
     publisher = {mathdoc},
     volume = {87},
     number = {4},
     year = {1995},
     zbl = {0838.53043},
     url = {http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156096/}
}