@article{MET_1963__6_175191, author = {R. WAGENFUEHR}, title = {Preisparit\"aten f\"ur {Investitionsg\"uter.}}, journal = {Metrika}, pages = {148--154}, publisher = {mathdoc}, volume = {6}, year = {1963}, url = {http://geodesic.mathdoc.fr/item/MET_1963__6_175191/} }