@article{10_4064_cm_67_2_223_240,
     author = {J. Gonz\'alez-D\'avila and L. Vanhecke},
     title = {Geodesic spheres and isometric flows},
     journal = {Colloquium Mathematicum},
     pages = {223--240},
     publisher = {mathdoc},
     volume = {67},
     number = {2},
     year = {1994},
     doi = {10.4064/cm-67-2-223-240},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-67-2-223-240/}
}