@article{GT_2016_20_1_a5,
     author = {Cao, Xiaodong and Tran, Hung},
     title = {The {Weyl} tensor of gradient {Ricci} solitons},
     journal = {Geometry & topology},
     pages = {389--436},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2016},
     doi = {10.2140/gt.2016.20.389},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2016.20.389/}
}