%0 Journal Article %A Bačák, Miroslav %A Kovalev, Leonid V. %T Lipschitz Retractions in Hadamard Spaces via Gradient Flow Semigroups %J Canadian mathematical bulletin %D 2016 %P 673-681 %V 59 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-033-3/ %R 10.4153/CMB-2016-033-3 %F 10_4153_CMB_2016_033_3