@article{RSMUP_2000__104__1_0,
     author = {Liang, Fei-Tsen},
     title = {Level sets of {Gauss} curvature in surfaces of constant mean curvature},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--26},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {104},
     year = {2000},
     mrnumber = {1809346},
     zbl = {1097.53036},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2000__104__1_0/}
}