@article{10_4007_annals_2013_177_3_2,
     author = {Alex Eskin and David Fisher and Kevin Whyte},
     title = {Coarse differentiation of quasi-isometries {II:} {Rigidity} for {Sol} and lamplighter groups},
     journal = {Annals of mathematics},
     pages = {869--910},
     publisher = {mathdoc},
     volume = {177},
     number = {3},
     year = {2013},
     doi = {10.4007/annals.2013.177.3.2},
     mrnumber = {3034290},
     zbl = {06176984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2013.177.3.2/}
}