%0 Journal Article %A C. Alsina %A M.S. Tomás %A P. Guijarro %T Some remarkable lines of triangles in real normed spaces and characterizations of inner product structures. %J Aequationes mathematicae %D 1997 %P 234-241 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137705/ %F AM2_1997__54_3_137705