%0 Journal Article %A Tomasz Byczkowski %A Jakub Chorowski %A Piotr Graczyk %A Jacek Małecki %T Hitting half-spaces or spheres by Ornstein–Uhlenbeck type diffusions %J Colloquium Mathematicum %D 2012 %P 145-171 %V 129 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm129-2-1/ %R 10.4064/cm129-2-1 %G en %F 10_4064_cm129_2_1