@article{MAN_1989__283_1_164513,
     author = {Wenxiong Chen},
     title = {Scalar {Curvatures} on {Sn.}},
     journal = {Mathematische Annalen},
     pages = {353--366},
     publisher = {mathdoc},
     volume = {283},
     number = {1},
     year = {1989},
     zbl = {0677.53052},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164513/}
}