@article{IM_1995__119_3_144253,
     author = {Richard Hill and Sanju L. Velani},
     title = {The ergodic theory of shrinking targets.},
     journal = {Inventiones mathematicae},
     pages = {175--198},
     publisher = {mathdoc},
     volume = {119},
     number = {3},
     year = {1995},
     zbl = {0834.28009},
     url = {http://geodesic.mathdoc.fr/item/IM_1995__119_3_144253/}
}