%0 Journal Article %A Plaut, Conrad %T A metric characterization of manifolds with boundary %J Compositio Mathematica %D 1992 %P 337-354 %V 81 %N 3 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1992__81_3_337_0/ %G en %F CM_1992__81_3_337_0