@article{GT_2010_14_4_a10,
     author = {Petersen, Peter and Wylie, William},
     title = {On the classification of gradient {Ricci} solitons},
     journal = {Geometry & topology},
     pages = {2277--2300},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2010},
     doi = {10.2140/gt.2010.14.2277},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2010.14.2277/}
}