@article{JEMS_2012_14_5_a6,
     author = {Michael Hochman},
     title = {Geometric rigidity of $\times m$  invariant measures},
     journal = {Journal of the European Mathematical Society},
     pages = {1539--1563},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {2012},
     doi = {10.4171/jems/340},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/340/}
}