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@article{CM_1992__81_3_337_0, author = {Plaut, Conrad}, title = {A metric characterization of manifolds with boundary}, journal = {Compositio Mathematica}, pages = {337--354}, publisher = {Kluwer Academic Publishers}, volume = {81}, number = {3}, year = {1992}, mrnumber = {1149173}, zbl = {0748.53046}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1992__81_3_337_0/} }
Plaut, Conrad. A metric characterization of manifolds with boundary. Compositio Mathematica, Tome 81 (1992) no. 3, pp. 337-354. http://geodesic.mathdoc.fr/item/CM_1992__81_3_337_0/