@article{EXMA_1992__1_3_227917,
     author = {Hsu, Lucas and Kusner, Rob and Sullivan, John},
     title = {Minimizing the squared mean curvature integral for surfaces in space forms.},
     journal = {Experimental mathematics},
     pages = {191--207},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1992},
     zbl = {0778.53001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_1992__1_3_227917/}
}