%0 Journal Article %A Koch, Herbert %A RĂ¼land, Angkana %A Shi, Wenhui %T The variable coefficient thin obstacle problem: Optimal regularity and regularity of the regular free boundary %J Annales de l'I.H.P. Analyse non linĂ©aire %D 2017 %P 845-897 %V 34 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2016.08.001/ %R 10.1016/j.anihpc.2016.08.001 %G en %F AIHPC_2017__34_4_845_0