@article{10_1017_S001708950003161X,
     author = {Vlachos, Theodoros},
     title = {An integral formula for hypersurfaces in space forms},
     journal = {Glasgow mathematical journal},
     pages = {337--341},
     year = {1995},
     volume = {37},
     number = {3},
     doi = {10.1017/S001708950003161X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950003161X/}
}