@article{CMH_1992__67_3_140270,
     author = {Antonio Ros and Manuel Ritor\'e},
     title = {Stable constant mean curvature tori and the isoperimetric problem in three space forms.},
     journal = {Commentarii mathematici Helvetici},
     pages = {293--305},
     year = {1992},
     volume = {67},
     number = {3},
     zbl = {0760.53037},
     url = {http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140270/}
}