@article{GT_2011_15_4_a1,
     author = {Peng, Irine},
     title = {Coarse differentiation and quasi-isometries of a class of solvable {Lie} groups {I}},
     journal = {Geometry & topology},
     pages = {1883--1925},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2011},
     doi = {10.2140/gt.2011.15.1883},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2011.15.1883/}
}