%0 Journal Article %A Platte, Erich %T The torsion problem of H.-J. Reiffen and U. Vetter %J Compositio Mathematica %D 1986 %P 373-381 %V 57 %N 3 %I Martinus Nijhoff Publishers %U http://www.numdam.org/item/CM_1986__57_3_373_0/ %G en %F CM_1986__57_3_373_0