@article{MZ_1968__105_170990,
     author = {Chuan-Chih Hsiung and Jong-Diing Liu},
     title = {The {Group} of {Conformal} {Transformations} of a {Compact} {Riemannian} {Manifold.}},
     journal = {Mathematische Zeitschrift},
     pages = {307--312},
     year = {1968},
     volume = {105},
     zbl = {0159.23901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__105_170990/}
}