@article{MM2_1995__87_4_156070,
     author = {Renzo Caddeo and Paola Piu and Andrea Ratto},
     title = {SO(2) invariant minimal and constant mean curvature surfaces in 3-dimensional homogeneous spaces.},
     journal = {Manuscripta mathematica},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {87},
     number = {4},
     year = {1995},
     zbl = {0827.53009},
     url = {http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156070/}
}