%0 Journal Article %A Ingemar Wik %T Note on a theorem by Reshetnyak-Gurov %J Studia Mathematica %D 1987 %P 287-290 %V 86 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-86-3-287-290/ %R 10.4064/sm-86-3-287-290 %G pl %F 10_4064_sm_86_3_287_290